{"id":75116,"date":"2025-07-11T07:00:00","date_gmt":"2025-07-11T14:00:00","guid":{"rendered":"https:\/\/dhblog.dream.press\/blog\/?p=75116"},"modified":"2025-08-29T08:34:52","modified_gmt":"2025-08-29T15:34:52","slug":"certificats-ev-ssl-lequivalent-securitaire-dun-toilette-en-or-fr","status":"publish","type":"post","link":"https:\/\/www-dev.dreamhost.com\/blog\/fr\/certificats-ev-ssl-lequivalent-securitaire-dun-toilette-en-or-fr\/","title":{"rendered":"Certificats EV SSL : L\u2019\u00e9quivalent s\u00e9curitaire d\u2019un toilette en or"},"content":{"rendered":"\n<p>Si nous \u00e9tions en 2010, je te dirais d&#8217;acheter un certificat SSL de Validation \u00c9tendue (EV).<\/p>\n\n\n<p>\u00c0 l&#8217;\u00e9poque, les certificats EV rendaient la barre d&#8217;adresse verte, affichaient le nom l\u00e9gal de l&#8217;entreprise dans la barre d&#8217;URL et montraient un cadenas visible confirmant l&#8217;authenticit\u00e9 d&#8217;un site.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1082\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers.webp\" alt=\"Capture d'\u00e9cran du certificat SSL EV Thawte affich\u00e9 dans diff\u00e9rents navigateurs\" class=\"wp-image-74139 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-300x203.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-1024x692.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-768x519.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-1536x1039.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-600x406.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-1200x812.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-730x494.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-1460x987.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-784x530.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-1568x1060.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/01_thawte_ev_ssl_certificate_displayed_in_different_browsers-877x593.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\/1082;\" \/><\/figure>\n\n\n<p><strong>Mais nous ne sommes pas en 2010. Et les EV SSL sont maintenant compl\u00e8tement obsol\u00e8tes.<\/strong><\/p>\n\n\n<p>Aujourd&#8217;hui, payer pour un SSL, c&#8217;est comme acheter des toilettes en or. M\u00eame r\u00e9sultat, mais bien plus co\u00fbteux.<\/p>\n\n\n<h2 id=\"h-what-ev-certificates-actually-did-and-why-it-mattered\" class=\"wp-block-heading\">Ce Que Faisaient R\u00e9ellement Les Certificats EV (et Pourquoi C&#8217;\u00e9tait Important)<\/h2>\n\n\n<p><strong>Les certificats de validation de domaine de base (DV) que tu vois aujourd&#8217;hui v\u00e9rifient uniquement un domaine que tu contr\u00f4les.<\/strong> N&#8217;importe qui peut obtenir l&#8217;un de ces certificats.<\/p>\n\n\n<p><strong>Les certificats de validation \u00e9tendue n\u00e9cessitent une v\u00e9rification pouss\u00e9e de l&#8217;entreprise.<\/strong> Pense \u00e0 des documents l\u00e9gaux, des appels t\u00e9l\u00e9phoniques, une confirmation d&#8217;adresse, et une preuve que ton entreprise est r\u00e9elle et en activit\u00e9.<\/p>\n\n\n<p>Le processus peut prendre des jours ou des semaines et implique une v\u00e9rification humaine \u00e0 chaque \u00e9tape.<\/p>\n\n\n<p>Le r\u00e9sultat final \u00e9tait le nom de ta soci\u00e9t\u00e9 affich\u00e9 dans le navigateur comme cet exemple de Comodo (qui est un important fournisseur de certificats SSL).<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1258\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after.webp\" alt=\"C\u00f4te \u00e0 c\u00f4te de l'interface utilisateur du navigateur avant et apr\u00e8s les modifications visuelles du SSL EV \u2014 le nom de l'entreprise et la barre verte ont disparu, remplac\u00e9s par un affichage d'URL simple.\" class=\"wp-image-74140 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-300x236.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-1024x805.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-768x604.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-1536x1208.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-600x472.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-1200x944.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-730x574.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-1460x1148.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-784x616.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-1568x1233.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/02_comodo_before_and_after-877x690.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\/1258;\" \/><\/figure>\n\n\n<p>Mais comme tu peux le voir maintenant, m\u00eame Comodo ne montre aucun marqueur d&#8217;un EV SSL.<\/p>\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<h2 id=\"h2_what-makes-ev-ssl-certificates-a-bad-choice-now\" class=\"wp-block-heading\">Pourquoi Les Certificats SSL EV Sont-Ils Un Mauvais Choix Actuellement ?<\/h2>\n\n\n<p>La principale caract\u00e9ristique qui rendait les certificats EV pr\u00e9cieux \u00e9tait les indicateurs visuels. Et les navigateurs \u00e9taient la force motrice derri\u00e8re leur suppression.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Le Changement Qui a Mis Fin Aux Certificats EV<\/h3>\n\n\n<p>Quelque temps apr\u00e8s 2015, les <a target=\"_blank\" href=\"https:\/\/help.dreamhost.com\/hc\/en-us\/articles\/216041537-SSL-certificates-overview\">certificats SSL<\/a> sont devenus la norme pour les sites web.<\/p>\n\n\n<p>L&#8217;ic\u00f4ne de cadenas est devenue davantage une attente qu&#8217;un signal de confiance.<\/p>\n\n\n<p>Pour \u00e9liminer les redondances, Chrome a supprim\u00e9 la <a target=\"_blank\" href=\"https:\/\/blog.chromium.org\/2018\/05\/evolving-chromes-security-indicators.html\">barre d&#8217;URL de couleur verte en 2018<\/a> et a remplac\u00e9 l&#8217;<a target=\"_blank\" href=\"https:\/\/blog.chromium.org\/2023\/05\/an-update-on-lock-icon.html\">ic\u00f4ne de cadenas<\/a> par l&#8217;ic\u00f4ne de r\u00e9glage en 2023. Firefox a \u00e9limin\u00e9 les indicateurs EV en 2019, et d&#8217;autres navigateurs ont embo\u00eet\u00e9 le pas.<\/p>\n\n\n<p>Tout site web <em>sans<\/em> certificat SSL valide a \u00e9t\u00e9 marqu\u00e9 comme \u00ab Non s\u00e9curis\u00e9 \u00bb.<\/p>\n\n\n<p>Les gens devaient cliquer sur \u00ab Avanc\u00e9 \u00bb et \u00ab Acc\u00e9der au site quand m\u00eame (non s\u00e9curis\u00e9) \u00bb avant de pouvoir consulter un tel site web.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1292\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private.webp\" alt=\"C\u00f4te \u00e0 c\u00f4te de l'interface utilisateur du navigateur avant et apr\u00e8s les changements visuels du EV SSL \u2014 le nom de l'entreprise et la barre verte ont disparu, remplac\u00e9s par un affichage d'URL simple.\" class=\"wp-image-74138 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-300x242.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-1024x827.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-768x620.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-1536x1240.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-600x485.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-1200x969.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-730x589.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-1460x1179.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-784x633.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-1568x1266.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/03_your_conneciton_is_not_private-877x708.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\/1292;\" \/><\/figure>\n\n\n<p>Avec cela, la proposition de valeur des certificats EV SSL s&#8217;est \u00e9vapor\u00e9e. Pourtant, tu vois encore des entreprises les vendre comme si rien n&#8217;avait chang\u00e9 !<\/p>\n\n\n<h3 class=\"wp-block-heading\">Les Navigateurs Ont \u00c9galement D\u00e9couvert Que Le V\u00c9 N&#8217;aide Pas<\/h3>\n\n\n<p>La suppression des indices visuels n&#8217;\u00e9tait pas arbitraire. Elle \u00e9tait soutenue par des recherches.<\/p>\n\n\n<p>La barre d&#8217;URL verte <em>semblerait<\/em> pr\u00e9cieuse dans les captures d&#8217;\u00e9cran rapproch\u00e9es.<\/p>\n\n\n<p>Mais quand l&#8217;\u00e9quipe de s\u00e9curit\u00e9 de Google a \u00e9tudi\u00e9 si la v\u00e9rification co\u00fbteuse offrait de r\u00e9els avantages en mati\u00e8re de s\u00e9curit\u00e9, ils ont d\u00e9couvert que <a target=\"_blank\" href=\"https:\/\/chromium.googlesource.com\/chromium\/src\/+\/HEAD\/docs\/security\/ev-to-page-info.md\">&#8220;l&#8217;interface utilisateur EV ne prot\u00e8ge pas les utilisateurs comme pr\u00e9vu<\/a>.\u201d<\/p>\n\n\n<p>Les utilisateurs ne prennent pas de d\u00e9cisions de s\u00e9curit\u00e9 diff\u00e9rentes quand les indicateurs EV sont pr\u00e9sents ou absents. Mozilla a atteint des <a target=\"_blank\" href=\"https:\/\/soundcloud.com\/tim-callan\/root-causes-1-32-why-do-browsers-and-academic-research-say-different-things-about-ev-ssl\">conclusions similaires<\/a> apr\u00e8s leur propre recherche.<\/p>\n\n\n<p>La conclusion ? D\u00e9penser pour des certificats EV n&#8217;a pas conduit \u00e0 une meilleure protection contre les menaces r\u00e9elles, comme le <a target=\"_blank\" href=\"https:\/\/help.dreamhost.com\/hc\/en-us\/articles\/217917097-Fraud-Phishing-and-419-Scams\">phishing<\/a> ou les sites web malveillants.<\/p>\n\n\n<h3 class=\"wp-block-heading\">La Majorit\u00e9 Des Utilisateurs Ne Voient Plus Les Informations EV<\/h3>\n\n\n<p>Une fois que Chrome 77 et Firefox 70 ont \u00e9t\u00e9 lanc\u00e9s quelque part en 2018, le dernier morceau d&#8217;information EV a \u00e9galement \u00e9t\u00e9 cach\u00e9.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1064\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure.webp\" alt=\"Exemple de certificat SSL valide en action \u2014 le navigateur confirme que la connexion est s\u00e9curis\u00e9e, souvent indiqu\u00e9 par une ic\u00f4ne de cadenas.\" class=\"wp-image-74141 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-300x200.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-1024x681.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-768x511.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-1536x1021.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-600x399.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-1200x798.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-730x485.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-1460x971.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-784x521.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-1568x1043.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/04_connection_is_secure-877x583.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\/1064;\" \/><\/figure>\n\n\n<p>Le nom de l&#8217;entreprise, le statut de validation \u00e9tendue, les informations commerciales v\u00e9rifi\u00e9es \u2014 tout \u00e9tait plac\u00e9 sous l&#8217;ic\u00f4ne de r\u00e9glage et n\u00e9cessitait que les utilisateurs cliquent pour voir les d\u00e9tails du certificat.<\/p>\n\n\n<p>Donc, la majorit\u00e9 des utilisateurs ne verrait jamais les d\u00e9tails EV qui <em>soi-disant<\/em> justifiaient le prix premium.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Un Certificat Est Un Certificat \u2014 Tous Offrent Un Chiffrement Identique<\/h3>\n\n\n<p>Le r\u00f4le d&#8217;un certificat SSL est de chiffrer les donn\u00e9es transitant du navigateur d&#8217;un visiteur au serveur de l&#8217;entreprise. Cela garantit que les acteurs malveillants ne peuvent pas espionner les donn\u00e9es.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"900\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_.webp\" alt=\"Comparaison visuelle des connexions non s\u00e9curis\u00e9es (HTTP) et s\u00e9curis\u00e9es (HTTPS) \u2014 montrant comment les certificats SSL prot\u00e8gent les donn\u00e9es en transit.\" class=\"wp-image-74142 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-300x169.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-1024x576.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-768x432.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-1536x864.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-600x338.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-1200x675.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-730x411.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-1460x821.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-784x441.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-1568x882.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/05_what_is_an_ssl_certificate_-877x493.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\/900;\" \/><\/figure>\n\n\n<p><strong>N&#8217;importe quel certificat SSL peut chiffrer les donn\u00e9es de la m\u00eame mani\u00e8re.<\/strong><\/p>\n\n\n<p>Les algorithmes de cryptage sont identiques : RSA-2048 pour l&#8217;\u00e9change de cl\u00e9s, SHA-256 pour les signatures num\u00e9riques, AES pour le cryptage sym\u00e9trique.<\/p>\n\n\n<p>Le navigateur \u00e9tablit le m\u00eame tunnel s\u00e9curis\u00e9, peu importe quelle autorit\u00e9 de certification a d\u00e9livr\u00e9 le certificat ou combien tu as pay\u00e9 pour cela.<\/p>\n\n\n<p><strong>Que tu utilises un <\/strong><a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/features\/ssl-tls-certificates\/\"><strong>certificat SSL gratuit<\/strong><\/a><strong> ou un certificat de Validation \u00c9tendue \u00e0 500 $, la s\u00e9curit\u00e9 r\u00e9elle prot\u00e9geant les donn\u00e9es de tes utilisateurs est exactement la m\u00eame.<\/strong><\/p>\n\n\n<p>Avec les certificats EV, tu ne fais que payer de l&#8217;argent pour des <strong>papiers suppl\u00e9mentaires<\/strong> sans <strong>aucun avantage suppl\u00e9mentaire<\/strong>.<\/p>\n\n\n<h2 id=\"h2_whats-a-better-option-in-2025-and-beyond\" class=\"wp-block-heading\">Quelle Est La Meilleure Option Pour 2025 Et Au-Del\u00e0 ?<\/h2>\n\n\n<p>Let&#8217;s Encrypt a compl\u00e8tement boulevers\u00e9 le march\u00e9 des SSL en rendant les certificats gratuits, automatis\u00e9s et tout aussi s\u00e9curis\u00e9s que les alternatives co\u00fbteuses. Maintenant, toute personne poss\u00e9dant un domaine peut obtenir un certificat SSL.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Let&#8217;s Encrypt domine le march\u00e9 pour une raison<\/h3>\n\n\n<p>Let&#8217;s Encrypt, le fournisseur gratuit de certificats de validation de domaine, <a target=\"_blank\" href=\"https:\/\/w3techs.com\/technologies\/details\/sc-letsencrypt\">contr\u00f4le 63%<\/a> de l&#8217;ensemble du march\u00e9 des certificats SSL. Le reste du march\u00e9 est partag\u00e9 entre d&#8217;autres fournisseurs de SSL DV et EV.<\/p>\n\n\n<p>L&#8217;entreprise a <a target=\"_blank\" href=\"https:\/\/letsencrypt.org\/2020\/02\/27\/one-billion-certs\/\">\u00e9mis plus d&#8217;un milliard de certificats d&#8217;ici<\/a> 2020.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1298\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt.webp\" alt=\"Croissance r\u00e9guli\u00e8re de l'adoption SSL : Ce graphique souligne la croissance explosive des certificats SSL d\u00e9livr\u00e9s quotidiennement par Let's Encrypt de 2016 \u00e0 2025.\" class=\"wp-image-74143 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-300x243.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-1024x831.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-768x623.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-1536x1246.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-600x487.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-1200x974.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-730x592.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-1460x1184.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-784x636.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-1568x1272.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/06_certificates_issued_per_day_by_let_s_encrypt-877x711.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\/1298;\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/letsencrypt.org\/stats\/\">Source<\/a><\/figcaption><\/figure>\n\n\n<p>Et maintenant, Let\u2019s Encrypt \u00e9met <a target=\"_blank\" href=\"https:\/\/letsencrypt.org\/stats\/\">plus de 7 millions de nouveaux certificats<\/a> par <em>jour<\/em>.<\/p>\n\n\n<h3 class=\"wp-block-heading\">L&#8217;Automatisation Est Mieux Que Les Processus Manuels<\/h3>\n\n\n<p>Alors que l&#8217;industrie du SSL vendait des certificats co\u00fbteux avec des processus de v\u00e9rification manuels qui prenaient des jours ou des semaines, Let&#8217;s Encrypt a introduit l&#8217;automatisation et l&#8217;efficacit\u00e9.<\/p>\n\n\n<p>Le protocole ACME permet aux certificats d&#8217;\u00eatre <a target=\"_blank\" href=\"https:\/\/letsencrypt.org\/how-it-works\/\">\u00e9mis, install\u00e9s et renouvel\u00e9s sans intervention humaine<\/a>, souvent en quelques minutes contre des jours.<\/p>\n\n\n<p>Cette automatisation a assur\u00e9 la s\u00e9curit\u00e9 ainsi que la commodit\u00e9. Les autorit\u00e9s de certification SSL (CA) peuvent d\u00e9sormais utiliser des certificats \u00e0 dur\u00e9e de vie plus courte (par exemple, 90 jours).<\/p>\n\n\n<p>M\u00eame si un attaquant obtient l&#8217;acc\u00e8s \u00e0 la cl\u00e9 priv\u00e9e d&#8217;un CA (la cl\u00e9 qui indique \u00e0 un navigateur qu&#8217;il s&#8217;agit d&#8217;un certificat valide<em>), <\/em>elle ne sera valide que pendant 90 jours, apr\u00e8s quoi une nouvelle cl\u00e9 est g\u00e9n\u00e9r\u00e9e et les cl\u00e9s pr\u00e9c\u00e9dentes sont consid\u00e9r\u00e9es comme invalides.<\/p>\n\n\n<p>Si 90 jours semblent beaucoup, les fournisseurs de SSL prennent d\u00e9j\u00e0 des mesures pour r\u00e9duire encore ce d\u00e9lai.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Des dur\u00e9es de vie courtes rendent la v\u00e9rification manuelle presque impossible<\/h3>\n\n\n<p>L&#8217;industrie SSL \u00e9volue vers des p\u00e9riodes de validit\u00e9 de certificats encore plus courtes.<\/p>\n\n\n<p>La dur\u00e9e de vie maximale devrait \u00eatre de <a target=\"_blank\" href=\"https:\/\/www.ssl.com\/article\/preparing-for-47-day-ssl-tls-certificates\/\">200 jours d&#8217;ici 2026, 100 jours d&#8217;ici 2027 et 47 jours d&#8217;ici 2029<\/a>.<\/p>\n\n\n<p>Imagine r\u00e9aliser le processus de v\u00e9rification manuelle des VE \u2014 avec des documents l\u00e9gaux, des appels t\u00e9l\u00e9phoniques, et la v\u00e9rification d&#8217;entreprise \u2014 tous les 47 jours. La charge administrative seule serait \u00e9crasante, les rendant ainsi plus du tout int\u00e9ressants.<\/p>\n\n\n<p>Cela explique probablement pourquoi il n&#8217;y a que <a target=\"_blank\" href=\"https:\/\/trends.builtwith.com\/ssl\/extended-validation\">21 000 sites web<\/a> avec un certificat EV en 2025.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Les Certificats de Validation de Domaine (DV) Sont G\u00e9n\u00e9ralement Tout Ce Dont Tu As Besoin<\/h3>\n\n\n<p>Les certificats de validation de domaine (qu&#8217;ils soient gratuits ou payants) offrent plusieurs avantages par rapport aux certificats EV co\u00fbteux.<\/p>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chiffrement identique :<\/strong> Tes utilisateurs b\u00e9n\u00e9ficient de la m\u00eame s\u00e9curit\u00e9<\/li>\n\n\n\n<li><strong>Renouvellement automatique :<\/strong> Pas de risque de coupure par expiration<\/li>\n\n\n\n<li><strong>D\u00e9ploiement plus rapide :<\/strong> Quelques minutes au lieu de jours ou de semaines<\/li>\n\n\n\n<li><strong>Aucune gestion administrative :<\/strong> Pas de paperasse, d&#8217;appels t\u00e9l\u00e9phoniques, ni de v\u00e9rification d&#8217;entreprise<\/li>\n\n\n\n<li><strong>Pr\u00e9paration pour l&#8217;avenir :<\/strong> Con\u00e7u pour les dur\u00e9es de vie des certificats plus courtes \u00e0 venir en 2029<\/li>\n\n\n<\/ul>\n\n\n<p>Les certificats SSL DV gratuits tels que Let\u2019s Encrypt et CloudFlare offrent le m\u00eame niveau de protection que les autres certificats. Si c&#8217;est tout ce dont tu as besoin, opte pour un certificat gratuit.<\/p>\n\n\n<p>Pour les grandes organisations ou les entreprises de commerce \u00e9lectronique qui ont besoin de support client, de dates d&#8217;expiration plus longues et de sceaux de s\u00e9curit\u00e9 pour \u00e9tablir la confiance, un <a target=\"_blank\" href=\"https:\/\/help.dreamhost.com\/hc\/en-us\/articles\/215089748-Purchase-a-professionally-signed-SSL-certificate\">certificat SSL DV sign\u00e9 professionnellement<\/a> est judicieux.<\/p>\n\n\n<h2 id=\"h2_do-big-companies-use-ev-certificates-and-does-anyone-actually-need-them\" class=\"wp-block-heading\">Les Grandes Entreprises Utilisent-Elles Des Certificats EV Et Quelqu&#8217;Un En A-T-Il Vraiment Besoin ?<\/h2>\n\n\n<p>Si les certificats EV \u00e9taient vraiment n\u00e9cessaires pour la s\u00e9curit\u00e9 et la confiance, tu t&#8217;attendrais \u00e0 ce que les plus grandes entreprises les utilisent.<\/p>\n\n\n<p>Ils ne le font pas.<\/p>\n\n\n<h3 class=\"wp-block-heading\">M\u00eame Amazon, Netflix et Walmart Utilisent Des Certificats Gratuits<\/h3>\n\n\n<p><a target=\"_blank\" href=\"https:\/\/x.com\/troyhunt\/\">Troy Hunt<\/a>, le cr\u00e9ateur de <a target=\"_blank\" href=\"https:\/\/haveibeenpwned.com\/\">Have I Been Pwned<\/a>, a partag\u00e9 un tweet lorsque Chrome a commenc\u00e9 \u00e0 exp\u00e9rimenter la suppression de l&#8217;indicateur EV du navigateur lors du premier semestre de 2018.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1281\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates.webp\" alt=\"Ce tweet souligne le d\u00e9clin de la visibilit\u00e9 des SSL EV\u2014le changement de Chrome consistant \u00e0 ne plus afficher les noms des organisations dans la barre d'adresse indique un mouvement plus large vers des indicateurs simplifi\u00e9s, uniquement avec un cadenas.\" class=\"wp-image-74144 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-300x240.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-1024x820.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-768x615.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-1536x1230.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-600x480.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-1200x961.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-730x584.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-1460x1169.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-784x628.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-1568x1255.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/07_even_amazon_netflix_and_walmart_use_free_certificates-877x702.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\/1281;\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/x.com\/troyhunt\/status\/996259427962404864\">Source<\/a><\/figcaption><\/figure>\n\n\n<p>Amazon, Netflix, Walmart, eBay, Target, Best Buy : des entreprises disposant de budgets de s\u00e9curit\u00e9 illimit\u00e9s, d&#8217;\u00e9quipes d&#8217;experts et de millions de clients saisissant quotidiennement des informations sensibles \u2014 elles utilisent <em>toutes<\/em> des certificats de validation de domaine standards.<\/p>\n\n\n<p><em>Quand Shopify et Amazon traitent des milliards de transactions en utilisant des certificats SSL gratuits, de quoi exactement les vendeurs de certificats EV pr\u00e9tendent-ils vous prot\u00e9ger que ne peut pas un certificat gratuit ?<\/em><\/p>\n\n\n<p>Ces entreprises ne n\u00e9gligent pas la s\u00e9curit\u00e9. Elles utilisent simplement des certificats qui fournissent le m\u00eame niveau de cryptage sans la surcharge de documentation et les co\u00fbts inutiles.<\/p>\n\n\n<h2 id=\"h2_does-it-make-financial-sense-to-pay-for-ev-certificates\" class=\"wp-block-heading\">Est-Il Financi\u00e8rement Judicieux de Payer pour des Certificats EV ?<\/h2>\n\n\n<p>L&#8217;\u00e9conomie des certificats EV ne tient pas la route lorsque tu examines ce que tu obtiens r\u00e9ellement.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Tu Paies Pour L&#8217;int\u00e9r\u00eat Propre De L&#8217;industrie<\/h3>\n\n\n<p>Le <a target=\"_blank\" href=\"https:\/\/cabforum.org\/\">Certificate Authority Browser Forum<\/a> \u00e9tablit des normes industrielles, mais c&#8217;est essentiellement une coalition de fournisseurs de certificats qui \u00e9laborent des r\u00e8gles pour vendre des certificats plus chers.<\/p>\n\n\n<p><a target=\"_blank\" href=\"https:\/\/www.reddit.com\/r\/webhosting\/comments\/1krwjw7\/comment\/mtllcgz\/?utm_source=share&amp;utm_medium=web3x&amp;utm_name=web3xcss&amp;utm_term=1&amp;utm_content=share_button\">Un redditor qui pr\u00e9tendait<\/a> avoir travaill\u00e9 pour une autorit\u00e9 de certification a r\u00e9pondu \u00e0 la question : \u00ab Quel est l\u2019int\u00e9r\u00eat des certificats SSL haut de gamme ? \u00bb<\/p>\n\n\n<p>Ils ont affirm\u00e9 qu&#8217;il n&#8217;y a aucune diff\u00e9rence entre un SSL haut de gamme et un ordinaire. C&#8217;est juste une mani\u00e8re pour les autorit\u00e9s de certification de te vendre plus de certificats.<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"397\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-1024x397.webp\" alt=\"Ce commentaire Reddit met en lumi\u00e8re un scepticisme croissant : beaucoup consid\u00e8rent les certificats SSL, surtout les versions premium, comme \u00e9tant davantage ax\u00e9s sur le profit que sur la protection, avec peu de diff\u00e9rence pratique en termes de s\u00e9curit\u00e9.\" class=\"wp-image-74145 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-1024x397.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-300x116.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-768x298.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-1536x596.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-600x233.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-1200x466.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-730x283.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-1460x567.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-784x304.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-1568x609.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest-877x340.webp 877w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/08_you_re_paying_for_industry_self_interest.webp 1600w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/397;\" \/><\/figure>\n\n\n<p>Cela cr\u00e9e des conflits d&#8217;int\u00e9r\u00eats \u00e9vidents lorsque les m\u00eames entreprises qui vendent des certificats co\u00fbteux r\u00e9digent les r\u00e8gles stipulant quand les certificats co\u00fbteux sont &#8220;n\u00e9cessaires&#8221;.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Ces Garanties D&#8217;un Million De Dollars Sont Des Astuces Marketing<\/h3>\n\n\n<p>Les certificats EV sont accompagn\u00e9s de garanties, g\u00e9n\u00e9ralement entre 10 000 $ et 2 millions $, selon le type de certificat. Ces garanties sont <em>cens\u00e9es<\/em> te prot\u00e9ger si l&#8217;autorit\u00e9 de certification commet des erreurs qui entra\u00eenent des violations de la s\u00e9curit\u00e9.<\/p>\n\n\n<p>Mais selon des experts comme Troy Hunt, ces garanties ont toujours \u00e9t\u00e9 des astuces marketing.<\/p>\n\n\n<p>Scott Helme, le fondateur de <a target=\"_blank\" href=\"https:\/\/report-uri.com\/\">Report URI<\/a>, a \u00e9galement mentionn\u00e9 <a target=\"_blank\" href=\"https:\/\/scotthelme.co.uk\/do-ssl-warranties-protect-you-as-much-as-rocks-keep-tigers-away\/\">trois sc\u00e9narios couverts par ces garanties<\/a>.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"723\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties.webp\" alt=\"D\u00e9claration de Scott Helme, fondateur de Report URI, concernant les garanties de certificat\" class=\"wp-image-74146 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-300x136.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-1024x463.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-768x347.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-1536x694.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-600x271.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-1200x542.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-730x330.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-1460x660.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-784x354.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-1568x709.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/09_three_scenarios_covered_by_warranties-877x396.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\/723;\" \/><\/figure>\n\n\n<p>Mais aucun de ces sc\u00e9narios ne conduit r\u00e9ellement \u00e0 ce que tu obtiennes une r\u00e9clamation. D&#8217;abord, un certificat ne peut pas \u00eatre \u00e9mis sans informations valides, donc le premier point est imm\u00e9diatement disqualifi\u00e9. Les deuxi\u00e8me et troisi\u00e8me sont tout aussi infond\u00e9s.<\/p>\n\n\n<p>Je recommande de lire <a target=\"_blank\" href=\"https:\/\/scotthelme.co.uk\/do-ssl-warranties-protect-you-as-much-as-rocks-keep-tigers-away\/\">l&#8217;article de Scott<\/a> ainsi que <a target=\"_blank\" href=\"https:\/\/www.troyhunt.com\/extended-validation-certificates-are-dead\/\">l&#8217;article de Troy<\/a> pour mieux comprendre pourquoi je les consid\u00e8re \u00e9galement comme des astuces marketing.<\/p>\n\n\n<h2 id=\"h2_do-you-ever-need-an-ev-certificate-then\" class=\"wp-block-heading\">As-tu Jamais Besoin d&#8217;un Certificat EV Alors ?<\/h2>\n\n\n<p>Malgr\u00e9 tout ce dont nous avons parl\u00e9 ci-dessus, les certificats EV ont <em>quelques<\/em> utilisations.<\/p>\n\n\n<p>Voici quelques situations sp\u00e9cifiques o\u00f9 tu aurais besoin de revenir aux certificats EV.<\/p>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Institutions financi\u00e8res soumises \u00e0 des exigences r\u00e9glementaires strictes :<\/strong> Certains cadres de conformit\u00e9, comme le PCI DSS ou certaines r\u00e9glementations bancaires, exigent des certificats EV. Si ton r\u00e9gulateur l&#8217;exige, tu n&#8217;as pas le choix.<\/li>\n\n\n\n<li><strong>Appareils informatiques anciens :<\/strong> Certains syst\u00e8mes plus anciens, notamment le mat\u00e9riel d&#8217;entreprise du d\u00e9but des ann\u00e9es 2000, ne reconnaissent pas les certificats racine de Let&#8217;s Encrypt. Cela devient de plus en plus rare \u00e0 mesure que les anciens syst\u00e8mes sont remplac\u00e9s.<\/li>\n\n\n\n<li><strong>Politiques d&#8217;entreprise exigeant des types de certificats sp\u00e9cifiques :<\/strong> Certaines grandes entreprises ont des politiques internes exigeant des certificats EV pour les sites orient\u00e9s vers le public. Cela concerne g\u00e9n\u00e9ralement plus la gestion des risques d&#8217;entreprise que la s\u00e9curit\u00e9 r\u00e9elle.<\/li>\n\n\n\n<li><strong>Signature de code et signature de documents :<\/strong> Let&#8217;s Encrypt <a target=\"_blank\" href=\"https:\/\/community.letsencrypt.org\/t\/create-document-signing-certificate\/209700\">ne d\u00e9livre que des certificats DV<\/a>. Si tu signes des t\u00e9l\u00e9chargements de logiciels ou des documents, tu auras besoin de certificats provenant d&#8217;autorit\u00e9s de certification traditionnelles.<\/li>\n\n\n<\/ul>\n\n\n<p>Pour la grande majorit\u00e9 des sites web tels que les blogs, <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/blog\/how-to-build-online-store-become-boss\/\">boutiques en ligne<\/a>, applications SaaS, sites de marketing et la plupart des sites d&#8217;entreprise, un certificat EV n&#8217;apporte aucun avantage significatif par rapport aux alternatives gratuites.<\/p>\n\n\n<h2 id=\"h2_should-you-just-get-free-certificates-and-move-on\" class=\"wp-block-heading\">Devrais-Tu Simplement Obtenir Des Certificats Gratuits Et Passer \u00c0 Autre Chose ?<\/h2>\n\n\n<p>\u00c0 mon avis, la r\u00e9ponse est un OUI retentissant. En fait, pour 99 % des sites web, la r\u00e9ponse est oui.<\/p>\n\n\n<p>Voici pourquoi :<\/p>\n\n\n<h3 class=\"wp-block-heading\">Le March\u00e9 A D\u00e9j\u00e0 D\u00e9cid\u00e9<\/h3>\n\n\n<p>Les certificats de validation de domaine constituent la majorit\u00e9 du march\u00e9.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1300\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_.webp\" alt=\"Camembert montrant que la majorit\u00e9 de l'utilisation des SSL provient des options par d\u00e9faut ou gratuites comme Let's Encrypt, les certificats payants constituant une petite partie.\" class=\"wp-image-74147 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-300x244.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-1024x832.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-768x624.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-1536x1248.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-600x488.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-1200x975.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-730x593.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-1460x1186.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-784x637.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-1568x1274.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/07\/10_global_ssl_usage_distribution_-877x713.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\/1300;\" \/><\/figure>\n\n\n<p>Selon BuiltWith, il y a plus de <a target=\"_blank\" href=\"https:\/\/trends.builtwith.com\/ssl\/traffic\/Entire-Internet\">258 millions de certificats SSL<\/a> sur Internet en juin 2025. La majorit\u00e9 sont gratuits, automatis\u00e9s et offrent une excellente s\u00e9curit\u00e9.<\/p>\n\n\n<p><strong>Note :<\/strong> Tu remarqueras que SSL By Default a la part la plus importante ici. Cependant, Let\u2019s Encrypt vend \u00e9galement des certificats SSL By Default. Donc, m\u00eame s&#8217;ils sont pr\u00e9sent\u00e9s s\u00e9par\u00e9ment, je les consid\u00e9rerais comme une seule entit\u00e9.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Investis Ton Argent Dans Une S\u00e9curit\u00e9 Qui Compte Vraiment<\/h3>\n\n\n<p>Le temps et l&#8217;argent que tu \u00e9conomises peuvent \u00eatre investis dans des mesures de s\u00e9curit\u00e9 qui comptent vraiment : une <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/\">meilleure infrastructure d&#8217;h\u00e9bergement<\/a>, surveillance de la s\u00e9curit\u00e9, sauvegardes r\u00e9guli\u00e8res, pare-feu pour applications web, ou tests de p\u00e9n\u00e9tration.<\/p>\n\n\n<p>La plupart des fournisseurs d&#8217;h\u00e9bergement \u2014 comme DreamHost \u2014 offrent maintenant <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/news\/press-releases\/dreamhost-launches-fully-integrated-support-for-lets-encrypt-project\/\">une int\u00e9gration Let&#8217;s Encrypt en un clic<\/a>. Si ce n&#8217;est pas le cas pour le tien, il est peut-\u00eatre temps de trouver un fournisseur d&#8217;h\u00e9bergement qui comprend que nous sommes en 2025, et non en 2010.<\/p>\n\n\n<h2 id=\"h2_stop-overthinking-it-a-dv-ssl-is-all-you-need\" class=\"wp-block-heading\">Arr\u00eate De Trop R\u00e9fl\u00e9chir, Un DV SSL Est Tout Ce Dont Tu As Besoin<\/h2>\n\n\n<p>Les certificats de validation \u00e9tendue sont des solutions co\u00fbteuses \u00e0 des probl\u00e8mes qui peuvent <em>principalement<\/em> \u00eatre r\u00e9solus gratuitement. Je ne fais pas r\u00e9f\u00e9rence aux industries hautement r\u00e9glement\u00e9es qui n\u00e9cessitent des SSL EV \u2014 pour le reste du monde, un SSL DV devrait suffire.<\/p>\n\n\n<p>Le chiffrement est identique, les navigateurs ont supprim\u00e9 les indicateurs visuels, et m\u00eame les plus grandes entreprises ne les utilisent pas.<\/p>\n\n\n<p><strong>Voici ce que tu devrais vraiment faire :<\/strong><\/p>\n\n\n<ul class=\"wp-block-list\">\n<li>Connecte-toi \u00e0 ton panneau de contr\u00f4le d&#8217;h\u00e9bergement<\/li>\n\n\n\n<li>Active le SSL gratuit en un clic<\/li>\n\n\n\n<li>C&#8217;est termin\u00e9 !<\/li>\n\n\n<\/ul>\n\n\n<p>Tes utilisateurs b\u00e9n\u00e9ficient du m\u00eame chiffrement qui prot\u00e8ge Amazon et Shopify.<\/p>\n\n\n<p>Si ton h\u00f4te n&#8217;offre pas de SSL gratuit, tu dois passer \u00e0 un <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/hosting\/\">fournisseur d&#8217;h\u00e9bergement comme DreamHost<\/a> qui le propose !<\/p>\n\n\n<p>\u00c9conomise ton argent pour une s\u00e9curit\u00e9 qui compte vraiment : sauvegardes, surveillance, ou un <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/blog\/web-application-firewall\/\">pare-feu d&#8217;application web<\/a>.<\/p>\n\n\n<p>Cela prot\u00e9gera ton site web bien mieux que de payer des centaines chaque ann\u00e9e pour des documents premium.<\/p>\n\n\n<p>Si tu pr\u00e9f\u00e8res confier les aspects techniques \u00e0 un professionnel, nous t&#8217;avons couvert avec nos <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/pro-services\/management\">services professionnels de gestion de site web<\/a>!<\/p>\n\n\n\n<div class=\"article-cta-shared article-cta-small article-cta--product\">\n\t<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\/uploads\/2024\/03\/product-cta-pro-services-website-management-877x586.webp 1x, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2024\/03\/product-cta-pro-services-website-management.webp 2x\"  \/><\/div>\n\n\t<a href='https:\/\/www.dreamhost.com\/pro-services\/management\/' class='link-top' target='_blank' rel='noopener noreferrer'>\n\t\t<span>Pro Services &#8211; Website Management<\/span>\n\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 384 512\" width=\"15\"><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\n\t<div class=\"content-btm\">\n\t\t<h2 class=\"h2--md\">\n\t\t\tWe&#8217;ll Handle the Technical Stuff\n\t\t<\/h2>\n\t\t<p class=\"p--md\">\n\t\t\tBring enterprise-grade performance and reliability to your website. Leave the backend to the experts \u2013 you focus on your business.\n\t\t<\/p>\n\n\t\t        <a\n            href=\"https:\/\/www.dreamhost.com\/pro-services\/management\/\"\n                        class=\"btn btn--white-outline btn--sm btn--round\"\n                                    target=\"_blank\"\n            rel=\"noopener noreferrer\"\n            >\n                            See More                    <\/a>\n\n\t<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Les certificats EV SSL promettent plus de confiance, mais tiennent-ils vraiment leurs promesses ? Voici ce que les gestionnaires de site doivent savoir.<\/p>\n","protected":false},"author":2,"featured_media":74137,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_metadesc":"Les certificats SSL EV promettent plus de confiance, mais tiennent-ils vraiment leurs promesses ? Voici ce que les gestionnaires de sites doivent savoir.","toc_headlines":"[[\"h-what-ev-certificates-actually-did-and-why-it-mattered\",\"Ce Que Faisaient R\u00e9ellement Les Certificats EV (et Pourquoi C'\u00e9tait Important)\"],[\"h2_what-makes-ev-ssl-certificates-a-bad-choice-now\",\"Pourquoi Les Certificats SSL EV Sont-Ils Un Mauvais Choix Actuellement ?\"],[\"h2_whats-a-better-option-in-2025-and-beyond\",\"Quelle Est La Meilleure Option Pour 2025 Et Au-Del\u00e0 ?\"],[\"h2_do-big-companies-use-ev-certificates-and-does-anyone-actually-need-them\",\"Les Grandes Entreprises Utilisent-Elles Des Certificats EV Et Quelqu'Un En A-T-Il Vraiment Besoin ?\"],[\"h2_does-it-make-financial-sense-to-pay-for-ev-certificates\",\"Est-Il Financi\u00e8rement Judicieux de Payer pour des Certificats EV ?\"],[\"h2_do-you-ever-need-an-ev-certificate-then\",\"As-tu Jamais Besoin d'un Certificat EV Alors ?\"],[\"h2_should-you-just-get-free-certificates-and-move-on\",\"Devrais-Tu Simplement Obtenir Des Certificats Gratuits Et Passer \u00c0 Autre Chose ?\"],[\"h2_stop-overthinking-it-a-dv-ssl-is-all-you-need\",\"Arr\u00eate De Trop R\u00e9fl\u00e9chir, Un DV SSL Est Tout Ce Dont Tu As Besoin\"]]","hide_toc":false,"footnotes":""},"categories":[14989],"tags":[],"class_list":["post-75116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech-talk-fr"],"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>Certificats EV SSL : L\u2019\u00e9quivalent s\u00e9curitaire d\u2019un toilette en or - DreamHost Blog<\/title>\n<meta name=\"description\" content=\"Les certificats SSL EV promettent plus de confiance, mais tiennent-ils vraiment leurs promesses ? 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