{"id":52722,"date":"2023-04-04T07:00:50","date_gmt":"2023-04-04T14:00:50","guid":{"rendered":"https:\/\/dhblog.dream.press\/blog\/?p=52722"},"modified":"2025-05-26T12:57:33","modified_gmt":"2025-05-26T19:57:33","slug":"guia-completo-para-o-recaptcha","status":"publish","type":"post","link":"https:\/\/www-dev.dreamhost.com\/blog\/pt\/guia-completo-para-o-recaptcha\/","title":{"rendered":"Diga Adeus ao Spam! Um Guia Completo para reCAPTCHA"},"content":{"rendered":"\n<p>Em 2013, a Target agora infamemente comprometeu os dados de <i>dezenas de milh\u00f5es<\/i> de compradores em um evento que reduziu as vendas, provocou processos judiciais e at\u00e9 causou a <a href=\"https:\/\/www.theverge.com\/2014\/5\/5\/5682810\/target-ceo-resigns-in-the-wake-of-data-breach\" target=\"_blank\" rel=\"noopener\">ren\u00fancia do CEO<\/a>.<\/p>\n\n\n\n<p>O que aconteceu?<\/p>\n\n\n\n<p><a href=\"https:\/\/www.tsohost.com\/blog\/6-reasons-why-your-website-needs-a-captcha-form\" target=\"_blank\" rel=\"noopener\">Hackers obtiveram acesso \u00e0 Target<\/a> atrav\u00e9s de um fornecedor terceirizado que n\u00e3o possu\u00eda CAPTCHA ou qualquer tipo de autentica\u00e7\u00e3o para garantir que havia um humano \u2014 e n\u00e3o um Bot malicioso \u2014 entrando no sistema deles.<\/p>\n\n\n\n<p>Da\u00ed, n\u00e3o demorou muito para que o Bot infiltrasse a organiza\u00e7\u00e3o deste fornecedor terceirizado e avan\u00e7asse para a rede de pagamento do grande varejista.<\/p>\n\n\n\n<p>Qual \u00e9 a li\u00e7\u00e3o aqui?<\/p>\n\n\n\n<p>Se atores mal-intencionados procuram uma forma de invadir seu site, um CAPTCHA pode ser uma poderosa primeira linha de defesa, e at\u00e9 mesmo convenc\u00ea-los a procurar um alvo mais f\u00e1cil <i>target<\/i> (o trocadilho \u00e9 *altamente* intencional).<\/p>\n\n\n\n<p>Intrigado com este conceito de CAPTCHA?<\/p>\n\n\n\n<p>Ent\u00e3o continue lendo para aprender:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A diferen\u00e7a entre CAPTCHA e reCAPTCHA (e o que significam todas essas letras!)<\/li>\n\n\n\n<li>Os principais tipos de CAPTCHAs em uso hoje<\/li>\n\n\n\n<li>Como os CAPTCHAs podem ajudar os propriet\u00e1rios de sites a evitar Spam e abuso<\/li>\n\n\n\n<li>Alguns pontos negativos a considerar com os CAPTCHAs<\/li>\n\n\n\n<li>Duas maneiras de adicionar um Google reCAPTCHA ao seu site WordPress<\/li>\n\n\n<\/ul>\n\n\n\n<div class=\"article-newsletter article-newsletter--gradient\">\n\n\n<h2>Get Content Delivered Straight to Your Inbox<\/h2><p>Subscribe now to receive all the latest updates, delivered directly to your inbox.<\/p><form class=\"nwsl-form\" id=\"newsletter_block_\" novalidate><div class=\"messages\"><\/div><div class=\"form-group\"><label for=\"input_newsletter_block_\"><input type=\"email\"name=\"email\"id=\"input_newsletter_block_\"placeholder=\"Enter your email address\"novalidatedisabled=\"disabled\"\/><\/label><button type=\"submit\"class=\"btn btn--brand\"disabled=\"disabled\"><span>Sign Me Up!<\/span><svg width=\"21\" height=\"14\" viewBox=\"0 0 21 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M13.8523 0.42524L12.9323 1.34521C12.7095 1.56801 12.7132 1.9304 12.9404 2.14865L16.7241 5.7823H0.5625C0.251859 5.7823 0 6.03416 0 6.3448V7.6573C0 7.96794 0.251859 8.2198 0.5625 8.2198H16.7241L12.9405 11.8535C12.7132 12.0717 12.7095 12.4341 12.9323 12.6569L13.8523 13.5769C14.072 13.7965 14.4281 13.7965 14.6478 13.5769L20.8259 7.39879C21.0456 7.17913 21.0456 6.82298 20.8259 6.60327L14.6477 0.42524C14.4281 0.205584 14.0719 0.205584 13.8523 0.42524Z\" fill=\"white\"\/>\n<\/svg>\n<\/button><\/div><\/form><\/div>\n\n\n<h2 id=\"h-what-is-recaptcha\" class=\"wp-block-heading\">O que \u00e9 reCAPTCHA?<\/h2>\n\n\n\n<p>Preparem-se, pessoal, porque esta tem v\u00e1rias camadas.<\/p>\n\n\n\n<p>Vamos come\u00e7ar com uma defini\u00e7\u00e3o b\u00e1sica: \u201c<a href=\"https:\/\/www.google.com\/recaptcha\/about\/\" target=\"_blank\" rel=\"noopener\">reCAPTCHA \u00e9 um servi\u00e7o do Google<\/a> que ajuda a proteger sites de Spam e abusos.\u201d<\/p>\n\n\n\n<p>reCAPTCHA da Google \u00e9 uma vers\u00e3o popular e marcada de CAPTCHA. A ideia original do <a href=\"https:\/\/phys.org\/news\/2012-06-captcha-story-squiggly-letters.html\" target=\"_blank\" rel=\"noopener\">CAPTCHA foi concebida na Universidade Carnegie Mellon<\/a> por volta de 2000. O reCAPTCHA tamb\u00e9m foi criado por desenvolvedores da mesma universidade, sendo <a href=\"https:\/\/en.wikipedia.org\/wiki\/ReCAPTCHA#\" target=\"_blank\" rel=\"noopener\">comprado pela Google<\/a> por volta de 2009.<\/p>\n\n\n\n<p>Agora para a pr\u00f3xima camada: O que todas as letras em \u201cCAPTCHA\u201d realmente <i>significam<\/i>?<\/p>\n\n\n\n<p>A sigla CAPTCHA \u00e9 uma abrevia\u00e7\u00e3o para &#8220;teste de Turing p\u00fablico totalmente automatizado para diferenciar computadores e humanos.&#8221;<\/p>\n\n\n\n<p>E essa explica\u00e7\u00e3o nos leva a desvendar mais uma camada l\u00f3gica: O que \u00e9 um Teste de Turing?<\/p>\n\n\n\n<p>Se voc\u00ea \u00e9 como n\u00f3s, sua principal exposi\u00e7\u00e3o ao Teste de Turing vem do filme de 2014 <i>The Imitation Game,<\/i> apresentando o matem\u00e1tico e cientista da computa\u00e7\u00e3o Alan Turing.<\/p>\n\n\n\n<p>Alan Turing desenvolveu o Teste de Turing (que ele originalmente chamou de jogo da imita\u00e7\u00e3o \u2014 modesto) para responder \u00e0 pergunta, \u201cAs m\u00e1quinas podem pensar?\u201d<\/p>\n\n\n\n<p>Hoje, os Testes de Turing s\u00e3o usados principalmente para distinguir humanos de bots ao testar a capacidade de um bot de exibir o mesmo comportamento inteligente que um humano exibiria. Bots, neste caso, referem-se a programas de software automatizados, frequentemente impulsionados por intelig\u00eancia artificial (IA).<\/p>\n\n\n\n\n\n<div class=\"glossary-term\">\n\t<a\n\t\tclass=\"glossary-term__above-title\"\n\t\thref=\"\"\n\t\ttarget=\"_blank\"\n\t\trel=\"noopener noreferrer\"\n\t>\n\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 640 512\"><path d=\"M320 32c-8.1 0-16.1 1.4-23.7 4.1L15.8 137.4C6.3 140.9 0 149.9 0 160s6.3 19.1 15.8 22.6l57.9 20.9C57.3 229.3 48 259.8 48 291.9v28.1c0 28.4-10.8 57.7-22.3 80.8c-6.5 13-13.9 25.8-22.5 37.6C0 442.7-.9 448.3 .9 453.4s6 8.9 11.2 10.2l64 16c4.2 1.1 8.7 .3 12.4-2s6.3-6.1 7.1-10.4c8.6-42.8 4.3-81.2-2.1-108.7C90.3 344.3 86 329.8 80 316.5V291.9c0-30.2 10.2-58.7 27.9-81.5c12.9-15.5 29.6-28 49.2-35.7l157-61.7c8.2-3.2 17.5 .8 20.7 9s-.8 17.5-9 20.7l-157 61.7c-12.4 4.9-23.3 12.4-32.2 21.6l159.6 57.6c7.6 2.7 15.6 4.1 23.7 4.1s16.1-1.4 23.7-4.1L624.2 182.6c9.5-3.4 15.8-12.5 15.8-22.6s-6.3-19.1-15.8-22.6L343.7 36.1C336.1 33.4 328.1 32 320 32zM128 408c0 35.3 86 72 192 72s192-36.7 192-72L496.7 262.6 354.5 314c-11.1 4-22.8 6-34.5 6s-23.5-2-34.5-6L143.3 262.6 128 408z\"\/><\/svg>\n\t\t<span><\/span>\n\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 384 512\"><path d=\"M342.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-192 192c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L274.7 256 105.4 86.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l192 192z\"\/><\/svg>\n\t<\/a>\n    <h3>Bot<\/h3>\n    <p>Um bot \u00e9 um programa projetado para automatizar tarefas espec\u00edficas. Por exemplo, motores de busca utilizam bots para rastrear a web seguindo links para mapear e indexar novas p\u00e1ginas. Bots tamb\u00e9m s\u00e3o comuns em malware.<\/p>\n            <a\n            href=\"https:\/\/www.dreamhost.com\/glossary\/seo\/bot\/\"\n                        class=\"btn btn--white-outline btn--sm btn--round\"\n                                    target=\"_blank\"\n            rel=\"noopener noreferrer\"\n            >\n                            Leia Mais                    <\/a>\n\n<\/div>\n\n\n\n<p>Os CAPTCHAs ajudam a prevenir Spam e abuso em sites, bloqueando bots com desafios que s\u00e3o relativamente f\u00e1ceis para n\u00f3s humanos resolvermos e realizarmos, mas que frequentemente exp\u00f5em os bots como os programas que s\u00e3o.<\/p>\n\n\n\n<p>Agora que voc\u00ea sabe o suficiente para <i>definitivamente<\/i> escrever um romance sobre o contexto do CAPTCHA, vamos falar sobre todas as diferentes maneiras que vemos esse conceito aparecer no dia a dia.<\/p>\n\n\n\n<h2 id=\"h-different-types-of-captchas\" class=\"wp-block-heading\">Diferentes Tipos de CAPTCHAs<\/h2>\n\n\n\n<p>Os CAPTCHAs evolu\u00edram em v\u00e1rias dire\u00e7\u00f5es ao longo dos anos na tentativa de fazer a distin\u00e7\u00e3o entre humanos e bots. Hoje, existem v\u00e1rios tipos comuns de CAPTCHAs que requerem diferentes formas de racioc\u00ednio e entrada.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-text-based-captchas\">CAPTCHAs Baseados em Texto<\/h3>\n\n\n\n<p>Os CAPTCHAs baseados em texto mostram caracteres em arranjos estranhos, utilizando fontes incomuns e em fundos coloridos.<\/p>\n\n\n\n<p>Esses CAPTCHAs exigem racioc\u00ednio e tradu\u00e7\u00e3o para determinar o que cada letra e n\u00famero deve ser \u2014 uma tarefa inteligente que muitos bots pr\u00e9-programados n\u00e3o conseguem executar.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"750\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Text-Based-CAPTCHAs.jpg\" alt=\"Exemplo de CAPTCHAs baseados em texto\" class=\"wp-image-39864 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Text-Based-CAPTCHAs.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Text-Based-CAPTCHAs-300x141.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Text-Based-CAPTCHAs-1024x480.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Text-Based-CAPTCHAs-768x360.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Text-Based-CAPTCHAs-1536x720.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Text-Based-CAPTCHAs-600x281.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Text-Based-CAPTCHAs-1200x563.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Text-Based-CAPTCHAs-730x342.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Text-Based-CAPTCHAs-1460x684.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Text-Based-CAPTCHAs-784x368.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Text-Based-CAPTCHAs-1568x735.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Text-Based-CAPTCHAs-877x411.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/750;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-image-based-captchas\">CAPTCHAs Baseados em Imagem<\/h3>\n\n\n\n<p>Com um CAPTCHA baseado em imagens, o usu\u00e1rio do site deve identificar quais fotos exibidas correspondem ao prompt fornecido. Ao usar fotos de apar\u00eancia semelhante que exigem um n\u00edvel de l\u00f3gica para distinguir, essa op\u00e7\u00e3o tamb\u00e9m pode enganar bots.<\/p>\n\n\n\n<p>Os testes de reCAPTCHA do Google utilizam este m\u00e9todo com frequ\u00eancia \u2014 o que faz sentido considerando sua vasta fonte de fotos do Google Street View.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"860\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Image-Based-CAPTCHAs.jpg\" alt=\"Exemplo de CAPTCHAs baseados em imagens\" class=\"wp-image-39866 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Image-Based-CAPTCHAs.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Image-Based-CAPTCHAs-300x161.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Image-Based-CAPTCHAs-1024x550.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Image-Based-CAPTCHAs-768x413.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Image-Based-CAPTCHAs-1536x826.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Image-Based-CAPTCHAs-600x323.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Image-Based-CAPTCHAs-1200x645.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Image-Based-CAPTCHAs-730x392.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Image-Based-CAPTCHAs-1460x785.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Image-Based-CAPTCHAs-784x421.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Image-Based-CAPTCHAs-1568x843.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Image-Based-CAPTCHAs-877x471.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/860;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-audio-based-captchas\">CAPTCHAs Baseados em \u00c1udio<\/h3>\n\n\n\n<p>Com CAPTCHAs baseados em \u00e1udio, o som \u00e9 o meio. Este m\u00e9todo \u00e9 frequentemente combinado com outros, como CAPTCHAs de texto e visuais.<\/p>\n\n\n\n<p>Os CAPTCHAs de \u00e1udio n\u00e3o s\u00e3o apenas mais acess\u00edveis para pessoas com defici\u00eancia visual &#8211; eles tamb\u00e9m s\u00e3o um poderoso bloqueador de Bot, pois dependem da dificuldade em distinguir palavras reais de ru\u00eddos de fundo.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"700\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Audio-Based-CAPTCHAs.jpg\" alt=\"Exemplo de CAPTCHAs baseados em \u00e1udio\" class=\"wp-image-39867 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Audio-Based-CAPTCHAs.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Audio-Based-CAPTCHAs-300x131.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Audio-Based-CAPTCHAs-1024x448.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Audio-Based-CAPTCHAs-768x336.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Audio-Based-CAPTCHAs-1536x672.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Audio-Based-CAPTCHAs-600x263.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Audio-Based-CAPTCHAs-1200x525.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Audio-Based-CAPTCHAs-730x319.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Audio-Based-CAPTCHAs-1460x639.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Audio-Based-CAPTCHAs-784x343.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Audio-Based-CAPTCHAs-1568x686.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Audio-Based-CAPTCHAs-877x384.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/700;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-checkbox-based-captchas\">CAPTCHAs Baseados em Caixa de Sele\u00e7\u00e3o<\/h3>\n\n\n\n<p>Embora esses CAPTCHAs possam parecer simples \u00e0 primeira vista, eles est\u00e3o na verdade avaliando como os usu\u00e1rios do site interagem com a caixa de sele\u00e7\u00e3o.<\/p>\n\n\n\n<p>Bots preenchem formul\u00e1rios e completam caixas de sele\u00e7\u00e3o instantaneamente, enquanto humanos navegam por esse processo mais lentamente.<\/p>\n\n\n\n<p>Este m\u00e9todo pode ser combinado com outros CAPTCHAs se voc\u00ea deseja ainda mais garantia de que um usu\u00e1rio n\u00e3o \u00e9 secretamente um programa de software <i>inteligentemente disfar\u00e7ado<\/i> como um humano usando moletom e bebendo Starbucks.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"750\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Checkbox-Based-CAPTCHAs.jpg\" alt=\"Exemplo de CAPTCHAs baseados em caixas de sele\u00e7\u00e3o\" class=\"wp-image-39868 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Checkbox-Based-CAPTCHAs.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Checkbox-Based-CAPTCHAs-300x141.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Checkbox-Based-CAPTCHAs-1024x480.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Checkbox-Based-CAPTCHAs-768x360.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Checkbox-Based-CAPTCHAs-1536x720.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Checkbox-Based-CAPTCHAs-600x281.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Checkbox-Based-CAPTCHAs-1200x563.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Checkbox-Based-CAPTCHAs-730x342.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Checkbox-Based-CAPTCHAs-1460x684.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Checkbox-Based-CAPTCHAs-784x368.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Checkbox-Based-CAPTCHAs-1568x735.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Checkbox-Based-CAPTCHAs-877x411.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/750;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-behavior-based-captchas\">CAPTCHAs Baseados em Comportamento<\/h3>\n\n\n\n<p>A quest\u00e3o \u00e9 que o software ficou t\u00e3o inteligente que muitos dos CAPTCHAs mencionados acima podem ser contornados atualmente.<\/p>\n\n\n\n<p>\u00c9 por isso que a vers\u00e3o mais recente do reCAPTCHA \u2014 o reCAPTCHA v3 do Google \u2014 mudou o jogo com um m\u00e9todo CAPTCHA que funciona em segundo plano.<\/p>\n\n\n\n<p>reCAPTCHA v3 \u00e9 um reCAPTCHA praticamente invis\u00edvel, que utiliza uma API JavaScript e um motor de an\u00e1lise de risco adaptativo, alimentado por aprendizado de m\u00e1quina, para pontuar usu\u00e1rios com base em seu comportamento \u00e0 medida que interagem com suas p\u00e1ginas web.<\/p>\n\n\n\n<p>Nos bastidores, o reCAPTCHA v3 atribui a cada usu\u00e1rio uma pontua\u00e7\u00e3o que tenta determinar se eles s\u00e3o humanos ou Bot. Claro, em alguns casos, esse monitoramento pode n\u00e3o ser suficiente para deter os Bots <i>realmente<\/i> inteligentes.<\/p>\n\n\n\n<p>Al\u00e9m disso, em uma \u00e9poca em que o p\u00eandulo est\u00e1 voltando para a privacidade na internet, esse m\u00e9todo pode ser controverso, pois monitora sua atividade no site, sendo que o \u00fanico aviso muitas vezes \u00e9 o pequeno distintivo do reCAPTCHA.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"700\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Behavior-Based-CAPTCHAs.jpg\" alt=\"Exemplo de CAPTCHAs baseados em comportamento\" class=\"wp-image-39869 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Behavior-Based-CAPTCHAs.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Behavior-Based-CAPTCHAs-300x131.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Behavior-Based-CAPTCHAs-1024x448.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Behavior-Based-CAPTCHAs-768x336.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Behavior-Based-CAPTCHAs-1536x672.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Behavior-Based-CAPTCHAs-600x263.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Behavior-Based-CAPTCHAs-1200x525.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Behavior-Based-CAPTCHAs-730x319.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Behavior-Based-CAPTCHAs-1460x639.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Behavior-Based-CAPTCHAs-784x343.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Behavior-Based-CAPTCHAs-1568x686.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Behavior-Based-CAPTCHAs-877x384.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/700;\" \/><\/figure>\n\n\n\n<p>O que discutimos aqui s\u00e3o apenas os CAPTCHAs mais comuns. Outros tipos de programas fazem coisas como pedir ao usu\u00e1rio do site para arrastar objetos para um ponto espec\u00edfico na tela, jogar um &#8220;microgame&#8221;, e assim por diante. Confira mais <a href=\"https:\/\/www.iihglobal.com\/blog\/mostly-used-captcha-examples\/\" target=\"_blank\" rel=\"noopener\">exemplos de CAPTCHA<\/a> aqui.<\/p>\n\n\n\n<h2 id=\"h-use-cases-where-to-apply-captchas-to-prevent-spam\" class=\"wp-block-heading\">Casos de Uso: Onde Aplicar CAPTCHAs para Prevenir Spam<\/h2>\n\n\n\n<p>O software automatizado com intelig\u00eancia artificial possui muitas aplica\u00e7\u00f5es extraordin\u00e1rias, como ajudar empresas a completar tarefas mundanas e repetitivas para economizar tempo dos trabalhadores.<\/p>\n\n\n\n<p>No entanto, atores hostis certamente encontraram maneiras de usar essa tecnologia para <a href=\"https:\/\/www.dreamhost.com\/blog\/dissecting-web-site-attacks-what-you-should-know\/\" target=\"_blank\" rel=\"noopener\">atacar sites<\/a>.<\/p>\n\n\n\n\n\n<div class=\"glossary-term\">\n\t<a\n\t\tclass=\"glossary-term__above-title\"\n\t\thref=\"\"\n\t\ttarget=\"_blank\"\n\t\trel=\"noopener noreferrer\"\n\t>\n\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 640 512\"><path d=\"M320 32c-8.1 0-16.1 1.4-23.7 4.1L15.8 137.4C6.3 140.9 0 149.9 0 160s6.3 19.1 15.8 22.6l57.9 20.9C57.3 229.3 48 259.8 48 291.9v28.1c0 28.4-10.8 57.7-22.3 80.8c-6.5 13-13.9 25.8-22.5 37.6C0 442.7-.9 448.3 .9 453.4s6 8.9 11.2 10.2l64 16c4.2 1.1 8.7 .3 12.4-2s6.3-6.1 7.1-10.4c8.6-42.8 4.3-81.2-2.1-108.7C90.3 344.3 86 329.8 80 316.5V291.9c0-30.2 10.2-58.7 27.9-81.5c12.9-15.5 29.6-28 49.2-35.7l157-61.7c8.2-3.2 17.5 .8 20.7 9s-.8 17.5-9 20.7l-157 61.7c-12.4 4.9-23.3 12.4-32.2 21.6l159.6 57.6c7.6 2.7 15.6 4.1 23.7 4.1s16.1-1.4 23.7-4.1L624.2 182.6c9.5-3.4 15.8-12.5 15.8-22.6s-6.3-19.1-15.8-22.6L343.7 36.1C336.1 33.4 328.1 32 320 32zM128 408c0 35.3 86 72 192 72s192-36.7 192-72L496.7 262.6 354.5 314c-11.1 4-22.8 6-34.5 6s-23.5-2-34.5-6L143.3 262.6 128 408z\"\/><\/svg>\n\t\t<span><\/span>\n\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 384 512\"><path d=\"M342.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-192 192c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L274.7 256 105.4 86.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l192 192z\"\/><\/svg>\n\t<\/a>\n    <h3>Ataque DDoS<\/h3>\n    <p>DDoS significa Nega\u00e7\u00e3o Distribu\u00edda de Servi\u00e7o. \u00c9 um ataque que tenta tornar um sistema ou rede indispon\u00edvel inundando-o com tr\u00e1fego de m\u00faltiplas fontes.<\/p>\n            <a\n            href=\"https:\/\/www.dreamhost.com\/glossary\/hosting\/ddos-attack\/\"\n                        class=\"btn btn--white-outline btn--sm btn--round\"\n                                    target=\"_blank\"\n            rel=\"noopener noreferrer\"\n            >\n                            Ler Mais                    <\/a>\n\n<\/div>\n\n\n\n<p>Aqui est\u00e3o alguns dos melhores casos de uso, onde aplicar CAPTCHAs pode proteger seu site de spam e abusos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-polls-and-questionnaires\">Enquetes e Question\u00e1rios<\/h3>\n\n\n\n<p>Empresas utilizam enquetes e question\u00e1rios por diversos motivos.<\/p>\n\n\n\n<p>Externamente, eles podem ajudar voc\u00ea a reunir feedback e novas ideias para produtos, servi\u00e7os, marketing, marca, conte\u00fado e tudo mais voltado para o usu\u00e1rio.<\/p>\n\n\n\n<p>Internamente, pesquisas e question\u00e1rios podem ajudar a garantir a felicidade dos funcion\u00e1rios e coletar insights sobre novas pol\u00edticas e ofertas.<\/p>\n\n\n\n<p>Voc\u00ea n\u00e3o gostaria de distorcer esses resultados com um n\u00famero esmagador de respostas autom\u00e1ticas e falsas, n\u00e3o \u00e9 mesmo?<\/p>\n\n\n\n<p>Bem, os bots certamente podem.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-user-logins\">Logins de Usu\u00e1rio<\/h3>\n\n\n\n<p>Os Bots s\u00e3o frequentemente implantados para ajudar hackers a acessar sites atrav\u00e9s de contas existentes que os usu\u00e1rios j\u00e1 configuraram.<\/p>\n\n\n\n<p>Normalmente, eles fazem isso por meio de ataques de for\u00e7a bruta que utilizam software para adivinhar automaticamente centenas de senhas em segundos.<\/p>\n\n\n\n<p>Por que eles desejariam acessar essas contas? \u00c0s vezes \u00e9 para que possam roubar informa\u00e7\u00f5es das contas e us\u00e1-las para invadir outras propriedades online. Hacking geralmente ocorre em eventos sequenciais.<\/p>\n\n\n\n<p>Outras vezes, \u00e9 para que possam usar a conta para postar material promocional ou outras informa\u00e7\u00f5es que sabem que ser\u00e3o rapidamente bloqueadas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-comment-sections\">Se\u00e7\u00f5es de Coment\u00e1rios<\/h3>\n\n\n\n<p>Voc\u00ea provavelmente j\u00e1 viu muito spam aparecendo em se\u00e7\u00f5es de coment\u00e1rios em sites e redes sociais.<\/p>\n\n\n\n<p>Os Bots s\u00e3o usados para deixar coment\u00e1rios em massa para espalhar publicidade, um ponto de vista particular (como um pol\u00edtico em \u00e9poca de elei\u00e7\u00f5es), ou links para fontes nefastas onde hackers est\u00e3o \u00e0 espera para roubar informa\u00e7\u00f5es dos visitantes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-forms\">Formul\u00e1rios<\/h3>\n\n\n\n<p>Assim como as se\u00e7\u00f5es de coment\u00e1rios, formul\u00e1rios que n\u00e3o est\u00e3o protegidos usando CAPTCHAs podem ser sobrecarregados com submiss\u00f5es falsas de bots programados para tentar vender algo, espalhar uma narrativa espec\u00edfica, ou at\u00e9 mesmo <a href=\"https:\/\/www.dreamhost.com\/blog\/dont-get-caught-in-the-phishing-net\/\" target=\"_blank\" rel=\"noopener\">phish<\/a> para obter dados sens\u00edveis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-checkouts\">Finaliza\u00e7\u00f5es de Compra<\/h3>\n\n\n\n<p>Existem v\u00e1rias raz\u00f5es pelas quais hackers desejariam direcionar seus bots para a p\u00e1gina de finaliza\u00e7\u00e3o de compra de um site.<\/p>\n\n\n\n<p>O primeiro \u00e9 \u00f3bvio: comprar ingressos ou outros invent\u00e1rios em uma velocidade que os humanos n\u00e3o conseguem acompanhar. E ent\u00e3o, provavelmente, revend\u00ea-los em outro lugar por pre\u00e7os mais altos. (N\u00e3o estamos nada amargos por ter perdido os ingressos da Taylor Swift <i>de jeito nenhum<\/i>&#8230;)<\/p>\n\n\n\n<p>Secundariamente, os bots podem usar fluxos de checkout desprotegidos para realizar algo chamado teste de cart\u00e3o. Isso ocorre quando eles executam scripts automatizados em seu sistema de checkout para testar se os n\u00fameros de cart\u00f5es de cr\u00e9dito roubados s\u00e3o utiliz\u00e1veis ou n\u00e3o.<\/p>\n\n\n\n<p>Ao exigir que CAPTCHAs sejam resolvidos antes que as a\u00e7\u00f5es acima sejam conclu\u00eddas \u2014 seu site dever\u00e1 ser capaz de identificar e interromper a maioria dos abusos automatizados realizados por bots.<\/p>\n\n\n\n\n\n<div class=\"glossary-term\">\n\t<a\n\t\tclass=\"glossary-term__above-title\"\n\t\thref=\"\"\n\t\ttarget=\"_blank\"\n\t\trel=\"noopener noreferrer\"\n\t>\n\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 640 512\"><path d=\"M320 32c-8.1 0-16.1 1.4-23.7 4.1L15.8 137.4C6.3 140.9 0 149.9 0 160s6.3 19.1 15.8 22.6l57.9 20.9C57.3 229.3 48 259.8 48 291.9v28.1c0 28.4-10.8 57.7-22.3 80.8c-6.5 13-13.9 25.8-22.5 37.6C0 442.7-.9 448.3 .9 453.4s6 8.9 11.2 10.2l64 16c4.2 1.1 8.7 .3 12.4-2s6.3-6.1 7.1-10.4c8.6-42.8 4.3-81.2-2.1-108.7C90.3 344.3 86 329.8 80 316.5V291.9c0-30.2 10.2-58.7 27.9-81.5c12.9-15.5 29.6-28 49.2-35.7l157-61.7c8.2-3.2 17.5 .8 20.7 9s-.8 17.5-9 20.7l-157 61.7c-12.4 4.9-23.3 12.4-32.2 21.6l159.6 57.6c7.6 2.7 15.6 4.1 23.7 4.1s16.1-1.4 23.7-4.1L624.2 182.6c9.5-3.4 15.8-12.5 15.8-22.6s-6.3-19.1-15.8-22.6L343.7 36.1C336.1 33.4 328.1 32 320 32zM128 408c0 35.3 86 72 192 72s192-36.7 192-72L496.7 262.6 354.5 314c-11.1 4-22.8 6-34.5 6s-23.5-2-34.5-6L143.3 262.6 128 408z\"\/><\/svg>\n\t\t<span><\/span>\n\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 384 512\"><path d=\"M342.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-192 192c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L274.7 256 105.4 86.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l192 192z\"\/><\/svg>\n\t<\/a>\n    <h3>Ataque de For\u00e7a Bruta<\/h3>\n    <p>Um ataque de for\u00e7a bruta \u00e9 um assalto cibern\u00e9tico onde o atacante usa tentativa e erro para invadir uma conta online. Geralmente \u00e9 realizado por bots maliciosos que tentam adivinhar senhas, credenciais de login gerais ou chaves digitais.<\/p>\n            <a\n            href=\"https:\/\/www.dreamhost.com\/glossary\/hosting\/brute-force-attack\/\"\n                        class=\"btn btn--white-outline btn--sm btn--round\"\n                                    target=\"_blank\"\n            rel=\"noopener noreferrer\"\n            >\n                            Leia Mais                    <\/a>\n\n<\/div>\n\n\n\n<h2 id=\"h-potential-downsides-of-using-captchas\" class=\"wp-block-heading\">Desvantagens Potenciais do Uso de CAPTCHAs<\/h2>\n\n\n\n<p>Embora os CAPTCHAs tenham claramente seus benef\u00edcios, existem algumas desvantagens a considerar quando voc\u00ea est\u00e1 configurando esse sistema em seu site:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>CAPTCHAs<\/b> <b>podem tornar seu site menos acess\u00edvel<\/b> para pessoas com defici\u00eancia auditiva e\/ou visual, ou para aqueles que n\u00e3o conhecem o idioma usado no seu CAPTCHA.<\/li>\n\n\n\n<li><b>CAPTCHAs podem interromper a experi\u00eancia do usu\u00e1rio<\/b>, e se forem muito dif\u00edceis, podem impedir a intera\u00e7\u00e3o at\u00e9 mesmo de usu\u00e1rios humanos.<\/li>\n\n\n\n<li><b>CAPTCHAs n\u00e3o s\u00e3o completamente infal\u00edveis<\/b>, portanto, os propriet\u00e1rios de sites n\u00e3o devem se iludir com uma falsa sensa\u00e7\u00e3o de seguran\u00e7a \u2014 ainda precisamos permanecer vigilantes quanto a sinais de Spam e ataques.<\/li>\n\n\n<\/ul>\n\n\n\n<p>Al\u00e9m disso, existem alguns elementos do reCAPTCHA do Google em <i>particular<\/i> que os propriet\u00e1rios de sites devem conhecer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>reCAPTCHA v3 pode parecer invasivo para os usu\u00e1rios<\/b> porque monitora o comportamento em todo o site para funcionar, o que pode levar indiv\u00edduos preocupados com a privacidade a evitar o uso do seu site.<\/li>\n\n\n\n<li><b>O modelo de neg\u00f3cios do Google \u00e9 usar ou vender dados para publicidade<\/b>, o que pode afastar propriet\u00e1rios de sites (e usu\u00e1rios) que n\u00e3o querem que seu comportamento ou dados sejam monetizados.<\/li>\n\n\n\n<li><b>reCAPTCHA se aproveita do trabalho do usu\u00e1rio<\/b> ao coletar dados das intera\u00e7\u00f5es dos usu\u00e1rios para treinar os sistemas de identifica\u00e7\u00e3o visual do Google, com o que algumas pessoas podem se sentir desconfort\u00e1veis.<\/li>\n\n\n\n<li><b>\u00c0s vezes, o Google \u00e9 bloqueado<\/b> em pa\u00edses como a China, ent\u00e3o instalar tecnologia do Google pode limitar severamente o alcance global de um site.<\/li>\n\n\n<\/ul>\n\n\n\n<h2 id=\"h-how-to-add-recaptcha-to-wordpress-via-plugin-6-steps\" class=\"wp-block-heading\">Como Adicionar reCAPTCHA ao WordPress via Plugin (6 Passos)<\/h2>\n\n\n\n<p>Pref\u00e1cio: CAPTCHAs de todos os tipos podem ser adicionados a websites de todos os tipos.<\/p>\n\n\n\n<p>Entretanto, como o <a href=\"https:\/\/www.dreamhost.com\/blog\/pt\/o-que-e-wordpress\/\" target=\"_blank\" rel=\"noopener\">WordPress<\/a> \u00e9 uma das plataformas de sites mais populares e o reCAPTCHA do Google \u00e9 poderoso, gratuito (at\u00e9 um milh\u00e3o de avalia\u00e7\u00f5es) e muito popular \u2014 integrar esses dois \u00e9 o que vamos focar hoje.<\/p>\n\n\n\n<p>Agora, vamos proteger seu site.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-1-register-your-site\">Etapa 1: Registre Seu Site<\/h3>\n\n\n\n<p>Primeiro de tudo, registre seu site WordPress no <a href=\"https:\/\/www.google.com\/recaptcha\/admin\/create\" target=\"_blank\" rel=\"noopener\">painel administrativo do reCAPTCHA do Google<\/a>. Para completar esta etapa, voc\u00ea deve entrar ou criar uma conta Google.<\/p>\n\n\n\n<p>Durante o registro, voc\u00ea preencher\u00e1 informa\u00e7\u00f5es como o que deseja chamar o seu site, <a href=\"https:\/\/developers.google.com\/recaptcha\/docs\/versions\" target=\"_blank\" rel=\"noopener\">qual tipo de verifica\u00e7\u00e3o reCAPTCHA<\/a> deseja usar, etc.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"960\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Register-Google-reCAPTCHA.jpg\" alt=\"Captura de tela do registro no Google reCAPTCHA\" class=\"wp-image-39870 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Register-Google-reCAPTCHA.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Register-Google-reCAPTCHA-300x180.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Register-Google-reCAPTCHA-1024x614.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Register-Google-reCAPTCHA-768x461.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Register-Google-reCAPTCHA-1536x922.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Register-Google-reCAPTCHA-600x360.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Register-Google-reCAPTCHA-1200x720.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Register-Google-reCAPTCHA-730x438.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Register-Google-reCAPTCHA-1460x876.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Register-Google-reCAPTCHA-784x470.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Register-Google-reCAPTCHA-1568x941.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Register-Google-reCAPTCHA-877x526.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/960;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-2-grab-your-keys\">Etapa 2: Pegue suas Chaves<\/h3>\n\n\n\n<p>Com o registro enviado, o Google fornecer\u00e1 uma chave do site e uma chave secreta. \u00c9 assim que voc\u00ea far\u00e1 seu Google reCAPTCHA se comunicar com seu site WordPress.<\/p>\n\n\n\n<p>Copie-os, porque vamos utiliz\u00e1-los em breve.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-3-install-wordpress-plugin\">Passo 3: Instalar Plugin do WordPress<\/h3>\n\n\n\n<p>Agora, fa\u00e7a login no WordPress.<\/p>\n\n\n\n<p>Se voc\u00ea ainda n\u00e3o tem um plugin de reCAPTCHA instalado, v\u00e1 para <i>Painel<\/i> &gt; <i>Plugins<\/i> &gt; <i>Adicionar Novo<\/i> e procure por \u201creCAPTCHA.\u201d <a href=\"https:\/\/wordpress.org\/plugins\/google-captcha\/\" target=\"_blank\" rel=\"noopener\">reCaptcha by BestWebSoft<\/a>, <a href=\"https:\/\/wordpress.org\/plugins\/advanced-nocaptcha-recaptcha\/\" target=\"_blank\" rel=\"noopener\">CAPTCHA 4WP<\/a>, e <a href=\"https:\/\/wordpress.org\/plugins\/contact-form-7\/\" target=\"_blank\" rel=\"noopener\">Contact Form 7<\/a> s\u00e3o todas op\u00e7\u00f5es populares.<\/p>\n\n\n\n<p>Uma vez instalados, a maioria desses plugins orientar\u00e1 voc\u00ea na conex\u00e3o do seu site ao seu Google reCAPTCHA. Continuaremos o restante deste tutorial usando o Contact Form 7 como exemplo de como isso pode ser acess\u00edvel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-4-turn-on-recaptcha\">Etapa 4: Ative o reCAPTCHA<\/h3>\n\n\n\n<p>Com o Contact Form 7 instalado, v\u00e1 at\u00e9 <i>Contact<\/i> &gt; <i>Integration<\/i> no WordPress. Localize a caixa de integra\u00e7\u00e3o do reCAPTCHA e inicie o processo de configura\u00e7\u00e3o.<\/p>\n\n\n\n<p>Voc\u00ea ser\u00e1 solicitado a colar as chaves de site e secretas que acabou de obter do Google. Uma vez que elas sejam adicionadas e as altera\u00e7\u00f5es salvas, o reCAPTCHA estar\u00e1 funcionando em seu site.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"960\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Turn-on-reCAPTCHA.jpg\" alt=\"Captura de tela para ativar o reCAPTCHA no WordPress\" class=\"wp-image-39871 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Turn-on-reCAPTCHA.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Turn-on-reCAPTCHA-300x180.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Turn-on-reCAPTCHA-1024x614.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Turn-on-reCAPTCHA-768x461.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Turn-on-reCAPTCHA-1536x922.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Turn-on-reCAPTCHA-600x360.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Turn-on-reCAPTCHA-1200x720.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Turn-on-reCAPTCHA-730x438.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Turn-on-reCAPTCHA-1460x876.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Turn-on-reCAPTCHA-784x470.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Turn-on-reCAPTCHA-1568x941.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Turn-on-reCAPTCHA-877x526.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/960;\" \/><\/figure>\n\n\n\n<p>Para um guia de configura\u00e7\u00e3o do Contact Form 7, consulte nosso artigo no Centro de Ajuda sobre <a href=\"https:\/\/help.dreamhost.com\/hc\/en-us\/articles\/214831378\" target=\"_blank\" rel=\"noopener\">Solu\u00e7\u00e3o de problemas de formul\u00e1rios de contato do WordPress<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-5-add-recaptcha-to-a-form\">Etapa 5: Adicionar reCAPTCHA a um Formul\u00e1rio<\/h3>\n\n\n\n<p>Agora que a funcionalidade reCAPTCHA est\u00e1 ativada, voc\u00ea precisar\u00e1 adicion\u00e1-la a qualquer formul\u00e1rio que deseje proteger contra submiss\u00f5es de Bot.<\/p>\n\n\n\n<p>Para fazer isso, v\u00e1 at\u00e9 <i>Contact<\/i> &gt; <i>Painel<\/i> no WordPress e adicione um novo formul\u00e1rio.<\/p>\n\n\n\n<p>Aqui, voc\u00ea vai editar levemente o c\u00f3digo do template de formul\u00e1rio para injetar um reCAPTCHA.<\/p>\n\n\n\n<p>Adicione <code>\u201c[recaptcha]\u201d<\/code> logo antes da linha <code>\u201c[submit \u201cSubmit\u201d]\u201d<\/code>. Depois de salvar, voc\u00ea dever\u00e1 ver um shortcode aparecer abaixo do t\u00edtulo do formul\u00e1rio.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"750\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-a-Form.jpg\" alt=\"Captura de tela de como adicionar reCAPTCHA a um formul\u00e1rio\" class=\"wp-image-39872 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-a-Form.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-a-Form-300x141.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-a-Form-1024x480.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-a-Form-768x360.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-a-Form-1536x720.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-a-Form-600x281.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-a-Form-1200x563.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-a-Form-730x342.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-a-Form-1460x684.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-a-Form-784x368.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-a-Form-1568x735.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-a-Form-877x411.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/750;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-6-publish-your-recaptcha-form-to-your-website\">Passo 6: Publique Seu Formul\u00e1rio reCAPTCHA em Seu Site<\/h3>\n\n\n\n<p>Copie esse shortcode que voc\u00ea acabou de criar.<\/p>\n\n\n\n<p>Agora, v\u00e1 em frente e cole esse c\u00f3digo em posts, p\u00e1ginas ou widgets de texto para instalar um novo formul\u00e1rio completo com reCAPTCHA!<\/p>\n\n\n\n<h2 id=\"h-how-to-add-recaptcha-to-wordpress-manually-4-steps\" class=\"wp-block-heading\">Como Adicionar reCAPTCHA ao WordPress Manualmente (4 Passos)<\/h2>\n\n\n\n<p>Como alternativa ao caminho do plugin, voc\u00ea pode adicionar um reCAPTCHA manualmente a qualquer formul\u00e1rio em seu site.<\/p>\n\n\n\n<p>Isso exigir\u00e1 um pouco de ajuste no c\u00f3digo. Se voc\u00ea \u00e9 sens\u00edvel a coisas como tags head e trechos de JavaScript, ent\u00e3o pode se sentir mais confort\u00e1vel aderindo a uma op\u00e7\u00e3o pronta para uso.<\/p>\n\n\n\n<p>Mas se voc\u00ea est\u00e1 pronto para arrega\u00e7ar as mangas, configurar as coisas \u00e9 bastante f\u00e1cil em uma escala de super f\u00e1cil (lan\u00e7ar um novo site com <a href=\"https:\/\/www.dreamhost.com\/pt\/\" target=\"_blank\" rel=\"noopener\">DreamHost<\/a>) at\u00e9 super dif\u00edcil (resolver o problema dos tr\u00eas corpos).<\/p>\n\n\n\n<p>Vamos come\u00e7ar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-1-register-your-site-and-grab-your-keys\">Etapa 1: Registre Seu Site e Pegue Suas Chaves<\/h3>\n\n\n\n<p>Assim como com a rota do plugin, voc\u00ea precisar\u00e1 come\u00e7ar se inscrevendo no reCAPTCHA pelo site do Google.<\/p>\n\n\n\n<p>Voc\u00ea pode fazer isso em dois passos r\u00e1pidos:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Registre seu site WordPress no <a href=\"https:\/\/www.google.com\/recaptcha\/admin\/create\" target=\"_blank\" rel=\"noopener\">painel administrativo do reCAPTCHA do Google<\/a> e selecione o tipo de reCAPTCHA.<\/li>\n\n\n\n<li>Copie tanto sua chave do site quanto a chave secreta para uso futuro.<\/li>\n\n\n<\/ol>\n\n\n\n<p>Agora, vamos voltar ao site em quest\u00e3o. Existem tr\u00eas partes principais que fazem o reCAPTCHA funcionar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A biblioteca JavaScript (reCAPTCHA API)<\/li>\n\n\n\n<li>O elemento do formul\u00e1rio HTML<\/li>\n\n\n\n<li>O c\u00f3digo de verifica\u00e7\u00e3o de resposta<\/li>\n\n\n<\/ul>\n\n\n\n<p>Vamos come\u00e7ar com a biblioteca JavaScript reCAPTCHA.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-2-add-the-recaptcha-javascript-library\">Etapa 2: Adicione a Biblioteca JavaScript do reCAPTCHA<\/h3>\n\n\n\n<p>Para come\u00e7ar, precisamos adicionar a biblioteca JavaScript ao seu site. Este \u00e9 um pequeno trecho de c\u00f3digo que precisa ser adicionado em cada p\u00e1gina que utilizar\u00e1 o reCAPTCHA:<\/p>\n\n\n\n<p><code>\u201c&lt;script src=\"https:\/\/www.google.com\/recaptcha\/api.js\" async defer&gt;&lt;\/script&gt;\u201d<\/code><\/p>\n\n\n\n<p>A maneira mais f\u00e1cil de garantir que isso esteja acess\u00edvel em todas as p\u00e1ginas necess\u00e1rias \u00e9 adicionar ao seu cabe\u00e7alho universal antes da tag de fechamento <code>\u201c&lt;\/head&gt;\u201d<\/code>.<\/p>\n\n\n\n<p>Voc\u00ea pode fazer isso de duas maneiras:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Manualmente, acessando o header.php diretamente no admin do WordPress, ou o gerenciador de arquivos dentro do seu painel de hospedagem<\/li>\n\n\n\n<li>Usando um plugin para adicionar o c\u00f3digo ao seu cabe\u00e7alho<\/li>\n\n\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-adding-the-code-manually\">Adicionando o C\u00f3digo Manualmente<\/h4>\n\n\n\n<p>Se voc\u00ea escolher a primeira op\u00e7\u00e3o, precisar\u00e1 usar o editor de arquivos de tema dentro do WordPress ou seu gerenciador de arquivos para acessar o header.php diretamente.<\/p>\n\n\n\n<p><b>Nota Importante:<\/b> Editar os arquivos do seu tema diretamente pode quebrar seu site, e suas altera\u00e7\u00f5es podem ser sobrescritas sempre que voc\u00ea atualizar o tema. Se voc\u00ea n\u00e3o tem experi\u00eancia com a edi\u00e7\u00e3o direta dos arquivos do tema, avance para &#8220;Usando um Plugin para Adicionar o C\u00f3digo&#8221; para uma solu\u00e7\u00e3o menos arriscada.<\/p>\n\n\n\n<p>Seu gerenciador de arquivos ter\u00e1 uma apar\u00eancia diferente dependendo do seu provedor de hospedagem, mas se voc\u00ea estiver usando <a href=\"https:\/\/www.dreamhost.com\/pt\/hosting\/\" target=\"_blank\" rel=\"noopener\">DreamHost<\/a>, navegue at\u00e9 <i>WordPress<\/i> &gt; <i>Hospedagem Gerenciada do WordPress<\/i> na barra lateral. Encontre o dom\u00ednio ao qual voc\u00ea deseja adicionar um reCAPTCHA e selecione <i>Gerenciar<\/i>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"700\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WordPress-Managed-WordPress.jpg\" alt=\"Se voc\u00ea deseja adicionar c\u00f3digo manualmente, precisar\u00e1 usar o editor de arquivos de tema dentro do WordPress ou seu gerenciador de arquivos para acessar diretamente o header.php. Se voc\u00ea est\u00e1 usando DreamHost, navegue at\u00e9 WordPress &gt; Managed WordPress na barra lateral. Encontre o dom\u00ednio ao qual deseja adicionar um reCAPTCHA e selecione Gerenciar.\" class=\"wp-image-39873 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WordPress-Managed-WordPress.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WordPress-Managed-WordPress-300x131.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WordPress-Managed-WordPress-1024x448.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WordPress-Managed-WordPress-768x336.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WordPress-Managed-WordPress-1536x672.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WordPress-Managed-WordPress-600x263.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WordPress-Managed-WordPress-1200x525.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WordPress-Managed-WordPress-730x319.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WordPress-Managed-WordPress-1460x639.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WordPress-Managed-WordPress-784x343.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WordPress-Managed-WordPress-1568x686.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WordPress-Managed-WordPress-877x384.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/700;\" \/><\/figure>\n\n\n\n<p>Em seguida, clique no bot\u00e3o <i>Gerenciar Arquivos<\/i> na se\u00e7\u00e3o <i>Detalhes<\/i>.<\/p>\n\n\n\n<p>Abra a pasta que tem o nome do seu dom\u00ednio. A partir da\u00ed, navegue at\u00e9 <i>wp-content<\/i> &gt; <i>themes<\/i> e encontre a pasta do seu tema atual do WordPress.<\/p>\n\n\n\n<p>Encontre o arquivo chamado <i>header.php<\/i>, abra-o e encontre a tag de fechamento &lt;code&gt;\u201c&amp;lt;\/head&amp;gt;\u201d&lt;\/code&gt; dentro do c\u00f3digo.<\/p>\n\n\n\n<p>Copie e cole o trecho de JavaScript do reCAPTCHA logo antes dessa linha.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"960\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/reCAPTCHA-JavaScript.jpg\" alt=\"Copie e cole o trecho de JavaScript do reCAPTCHA no arquivo header.php\" class=\"wp-image-39874 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/reCAPTCHA-JavaScript.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/reCAPTCHA-JavaScript-300x180.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/reCAPTCHA-JavaScript-1024x614.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/reCAPTCHA-JavaScript-768x461.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/reCAPTCHA-JavaScript-1536x922.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/reCAPTCHA-JavaScript-600x360.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/reCAPTCHA-JavaScript-1200x720.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/reCAPTCHA-JavaScript-730x438.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/reCAPTCHA-JavaScript-1460x876.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/reCAPTCHA-JavaScript-784x470.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/reCAPTCHA-JavaScript-1568x941.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/reCAPTCHA-JavaScript-877x526.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/960;\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-using-a-plugin-to-add-the-code\">Usando um Plugin para Adicionar o C\u00f3digo<\/h4>\n\n\n\n<p>Se o que foi mencionado acima parece demais, n\u00e3o se preocupe. N\u00f3s cuidaremos de tudo para voc\u00ea.<\/p>\n\n\n\n<p>Em vez disso, voc\u00ea pode instalar um plugin do WordPress que adicionar\u00e1 automaticamente c\u00f3digo diretamente ao seu cabe\u00e7alho, sem necessidade de hacking.<\/p>\n\n\n\n<p>Usando um plugin como <a href=\"https:\/\/wordpress.org\/plugins\/insert-headers-and-footers\/\" target=\"_blank\" rel=\"noopener\">WPCode<\/a>, voc\u00ea pode facilmente adicionar trechos de c\u00f3digo relevantes em partes chave do seu tema do WordPress.<\/p>\n\n\n\n<p>Do painel de administra\u00e7\u00e3o do seu WordPress, v\u00e1 em <i>Plugins<\/i> > <i>Adicionar Novo<\/i> e busque por WPCode.<\/p>\n\n\n\n<p>Clique <i>Instalar,<\/i> depois <i>Ativar<\/i>.<\/p>\n\n\n\n<p>Uma vez ativado o WPCode, voc\u00ea deve ver uma nova se\u00e7\u00e3o no menu do lado esquerdo chamada <i>Code Snippets<\/i>.<\/p>\n\n\n\n<p>V\u00e1 at\u00e9 <i>Code Snippets<\/i> &gt; <i>Header &amp; Footer<\/i>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"1000\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code.jpg\" alt=\"Usando um plugin como WPCode, voc\u00ea pode facilmente adicionar trechos de c\u00f3digo relevantes a partes chave do seu tema WordPress\" class=\"wp-image-39875 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-300x188.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-1024x640.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-768x480.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-1536x960.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-600x375.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-1200x750.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-730x456.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-1460x913.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-784x490.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-1568x980.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/WP-Code-Using-a-Plugin-to-Add-the-Code-877x548.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1000;\" \/><\/figure>\n\n\n\n<p>Dentro da p\u00e1gina de <i>Cabe\u00e7alho &amp; Rodap\u00e9<\/i>, cole o c\u00f3digo JavaScript na se\u00e7\u00e3o <i>Cabe\u00e7alho<\/i> e salve suas altera\u00e7\u00f5es.<\/p>\n\n\n\n<p>Boom \u2014 c\u00f3digo adicionado!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-3-add-recaptcha-to-your-form\">Etapa 3: Adicione reCAPTCHA ao Seu Formul\u00e1rio<\/h3>\n\n\n\n<p>Agora, vamos ajustar o c\u00f3digo no formul\u00e1rio real onde voc\u00ea deseja ver seu reCAPTCHA.<\/p>\n\n\n\n<p>Novamente, voc\u00ea pode usar um gerenciador de arquivos, o editor do WordPress ou at\u00e9 mesmo FTP.&nbsp; Ele deve estar dentro da pasta <i>wp-content <\/i>, que cont\u00e9m todos os seus plugins, temas e m\u00eddia.<\/p>\n\n\n\n<p>No c\u00f3digo do formul\u00e1rio, cole o seguinte c\u00f3digo antes da linha de envio para adicionar o reCAPTCHA:<\/p>\n\n\n\n<p><code>\u201c&lt;div class=\"g-recaptcha\" data-sitekey=\"your_site_key\"&gt;&lt;\/div&gt;\u201d<\/code><\/p>\n\n\n\n<p>Aqui est\u00e1 um exemplo de como pode parecer:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1600\" height=\"800\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-Your-Form.jpg\" alt=\"Exemplo de como adicionar reCAPTCHA ao seu formul\u00e1rio\" class=\"wp-image-39876 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-Your-Form.jpg.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-Your-Form-300x150.jpg 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-Your-Form-1024x512.jpg 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-Your-Form-768x384.jpg 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2023\/03\/Add-reCAPTCHA-to-Your-Form-1536x768.jpg 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-Your-Form-600x300.jpg.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-Your-Form-1200x600.jpg.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-Your-Form-730x365.jpg.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-Your-Form-1460x730.jpg.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-Your-Form-784x392.jpg.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-Your-Form-1568x784.jpg.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/smush-webp\/2023\/03\/Add-reCAPTCHA-to-Your-Form-877x439.jpg.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/800;\" \/><\/figure>\n\n\n\n<p>Substitua <code>\u201cyour_site_key\u201d<\/code> pelo site key que voc\u00ea recebeu do Google.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-4-handle-the-response\">Passo 4: Lidar com a Resposta<\/h3>\n\n\n\n<p>Talvez a parte mais complicada do processo seja adicionar c\u00f3digo para lidar com a resposta do reCAPTCHA. Isso basicamente indica ao seu site se deve processar o formul\u00e1rio ou bloque\u00e1-lo.<\/p>\n\n\n\n<p>Para configurar isso, voc\u00ea precisar\u00e1 adicionar outro trecho de c\u00f3digo ao formul\u00e1rio (a fun\u00e7\u00e3o de callback):<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$secretKey = &quot;your_secret_key&quot;;\n$response = $_POST&#x5B;&#039;g-recaptcha-response&#039;];\n$remoteIp = $_SERVER&#x5B;&#039;REMOTE_ADDR&#039;];\n\n$url = &quot;https:\/\/www.google.com\/recaptcha\/api\/siteverify?secret=&quot;.$secretKey.&quot;&amp;amp;response=&quot;.$response.&quot;&amp;amp;remoteip=&quot;.$remoteIp;\n$response = file_get_contents($url);\n$responseKeys = json_decode($response,true);\n\nif(intval($responseKeys&#x5B;&quot;success&quot;]) !== 1) {\n    \/\/ Tratar falha na valida\u00e7\u00e3o do reCAPTCHA\n} else {\n    \/\/ Processar a submiss\u00e3o do formul\u00e1rio\n}\u201d\n\n<\/pre><\/div>\n\n\n<p>Neste c\u00f3digo, voc\u00ea precisa substituir <code>\u201cyour_secret_key\u201d<\/code> pela chave secreta fornecida pelo Google.<\/p>\n\n\n\n<p>Este \u00e9 apenas um exemplo de uma implementa\u00e7\u00e3o que permitiria personalizar como o envio \u00e9 tratado. Existem muitos outros m\u00e9todos para lidar com a valida\u00e7\u00e3o do lado do servidor e fun\u00e7\u00f5es de retorno de chamada.<\/p>\n\n\n\n<p>Para mais informa\u00e7\u00f5es sobre como lidar com essa parte do processo, consulte a <a href=\"https:\/\/developers.google.com\/recaptcha\/docs\/v3\" target=\"_blank\" rel=\"noopener\">documenta\u00e7\u00e3o oficial do Google<\/a>.<\/p>\n\n\n\n<h2 id=\"h-goodbye-spam-hello-security\" class=\"wp-block-heading\">Adeus Spam, Ol\u00e1 Seguran\u00e7a<\/h2>\n\n\n\n<p>Enquanto devemos reiterar que o reCAPTCHA e CAPTCHAs n\u00e3o s\u00e3o a solu\u00e7\u00e3o definitiva quando se trata de seguran\u00e7a de sites, eles s\u00e3o um passo crucial para ajud\u00e1-lo a se defender de bots automatizados e hackers mal-intencionados.<\/p>\n\n\n\n<p>Para mais dicas sobre <a href=\"https:\/\/www.dreamhost.com\/blog\/pt\/proteja-seu-site-wordpress\/\" target=\"_blank\" rel=\"noopener\">proteger seu site WordPress<\/a> e al\u00e9m, fique atento ao <a href=\"https:\/\/www.dreamhost.com\/pt\/\" target=\"_blank\" rel=\"noopener\">DreamHost<\/a> <a href=\"https:\/\/www.dreamhost.com\/blog\/pt\/\" target=\"_blank\" rel=\"noopener\">blog<\/a>. Estamos sempre publicando recursos para ajud\u00e1-lo a manter seu site seguro, r\u00e1pido e online, para impressionar tanto os visitantes quanto os motores de busca.<\/p>\n\n\n\n\n<div\n\tclass=\"article-cta-shared article-cta-small\"\n>\n    <div class=\"tr-img-wrap-outer jsLoading\"><img decoding=\"async\" class=\"js-img-lazy \" src=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/themes\/blog2018\/assets\/img\/lazy-loading-transparent.webp\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/themes\/blog2018\/assets\/img\/article-small-ad-cta-placeholder.webp 1x, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/themes\/blog2018\/assets\/img\/article-small-ad-cta-placeholder-x2.webp 2x\"  alt=\"Ad background image\" \/><\/div>\n\n\n\n\n  <div class=\"content-btm\">\n    <h2\n      class=\"h2--md\"\n    >\n      Voc\u00ea Sonha, N\u00f3s Programamos\n    <\/h2>\n    <p\n      class=\"p--md\"\n    >\n      Aproveite mais de 20 anos de experi\u00eancia em programa\u00e7\u00e3o ao escolher nosso servi\u00e7o de Desenvolvimento Web. Apenas nos informe o que voc\u00ea deseja para seu site \u2014 n\u00f3s cuidamos do resto.\n    <\/p>\n\n            <a\n            href=\"https:\/\/www.dreamhost.com\/pt\/servicos-profissionais\/desenvolvimento\/\"\n                        class=\"btn btn--white-outline btn--sm btn--round\"\n                                    target=\"_blank\"\n            rel=\"noopener noreferrer\"\n            >\n                            Saiba Mais                    <\/a>\n\n  <\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Em 2013, a Target agora infamemente comprometeu os dados de dezenas de milh\u00f5es de compradores em um evento que reduziu as vendas, provocou processos judiciais e at\u00e9 causou a ren\u00fancia do CEO. O que aconteceu? Hackers conseguiram acesso \u00e0 Target por meio de um fornecedor terceirizado que n\u00e3o possu\u00eda CAPTCHA ou qualquer tipo de autentica\u00e7\u00e3o para garantir que havia um humano [\u2026]<\/p>\n","protected":false},"author":1059,"featured_media":40023,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_metadesc":"","toc_headlines":"[[\"h-what-is-recaptcha\",\"O que \u00e9 reCAPTCHA?\"],[\"h-different-types-of-captchas\",\"Diferentes Tipos de CAPTCHAs\"],[\"h-use-cases-where-to-apply-captchas-to-prevent-spam\",\"Casos de Uso: Onde Aplicar CAPTCHAs para Prevenir Spam\"],[\"h-potential-downsides-of-using-captchas\",\"Desvantagens Potenciais do Uso de CAPTCHAs\"],[\"h-how-to-add-recaptcha-to-wordpress-via-plugin-6-steps\",\"Como Adicionar reCAPTCHA ao WordPress via Plugin (6 Passos)\"],[\"h-how-to-add-recaptcha-to-wordpress-manually-4-steps\",\"Como Adicionar reCAPTCHA ao WordPress Manualmente (4 Passos)\"],[\"h-goodbye-spam-hello-security\",\"Adeus Spam, Ol\u00e1 Seguran\u00e7a\"]]","hide_toc":false,"footnotes":""},"categories":[14391,14409],"tags":[],"class_list":["post-52722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriais-pt","category-wordpress-pt"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Diga Adeus ao Spam! 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