{"id":1974,"date":"2024-10-09T11:37:53","date_gmt":"2024-10-09T03:37:53","guid":{"rendered":"https:\/\/www.openbyt.com\/one-swallow-does-not-make-the-spring-2"},"modified":"2024-10-17T19:54:55","modified_gmt":"2024-10-17T11:54:55","slug":"one-swallow-does-not-make-the-spring-2","status":"publish","type":"post","link":"https:\/\/www.openbyt.com\/fr\/une-hirondelle-ne-fait-pas-le-printemps-2","title":{"rendered":"Comment s'attaquer au d\u00e9tournement de domaine : Un tutoriel d\u00e9taill\u00e9 avec des solutions et des bonnes pratiques"},"content":{"rendered":"<p>Le d\u00e9tournement de domaine est un probl\u00e8me grave qui peut nuire \u00e0 la r\u00e9putation et \u00e0 la s\u00e9curit\u00e9 de votre site web. Imaginez que vous ouvriez votre domaine pour vous retrouver sur le site web de quelqu'un d'autre. Ce sc\u00e9nario indique souvent un d\u00e9tournement de domaine, qui peut se produire pour diverses raisons telles que des param\u00e8tres DNS compromis, des violations de serveur ou m\u00eame des infections de logiciels malveillants sur les ordinateurs des utilisateurs. En tant qu'ing\u00e9nieur DevOps ou administrateur syst\u00e8me, il est crucial de comprendre comment d\u00e9panner et r\u00e9soudre le d\u00e9tournement de domaine pour s\u00e9curiser vos actifs num\u00e9riques. Ce guide explore les causes du d\u00e9tournement de domaine, fournit des solutions exploitables et propose des mesures pr\u00e9ventives pour prot\u00e9ger votre domaine contre de futurs incidents.<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi.webp\" alt=\"\" class=\"wp-image-2204\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h3 class=\"wp-block-heading\">Comprendre les causes du d\u00e9tournement de domaine<\/h3><p>Le d\u00e9tournement de domaine se divise g\u00e9n\u00e9ralement en trois cat\u00e9gories principales :<\/p><p><strong>1\uff1aDNS Hijacking (d\u00e9tournement de DNS)<\/strong><\/p><p><strong><br><\/strong>Le d\u00e9tournement de DNS se produit lorsqu'un pirate prend le contr\u00f4le des enregistrements DNS de votre domaine, redirigeant les visiteurs de votre site web vers une adresse IP non autoris\u00e9e. Cela peut \u00eatre r\u00e9alis\u00e9 par diff\u00e9rents moyens, tels que la compromission du serveur DNS, l'utilisation de l'ing\u00e9nierie sociale pour acc\u00e9der \u00e0 la console de gestion DNS, ou l'exploitation des vuln\u00e9rabilit\u00e9s de l'infrastructure du bureau d'enregistrement.<\/p><ul class=\"wp-block-list\"><li><strong>Exemple<\/strong>: Une entreprise utilisant un fournisseur de DNS populaire peut d\u00e9couvrir que ses enregistrements DNS ont \u00e9t\u00e9 modifi\u00e9s pour pointer vers une adresse IP contr\u00f4l\u00e9e par des attaquants. Les utilisateurs sont alors souvent redirig\u00e9s vers un site web d'hame\u00e7onnage qui semble identique au site l\u00e9gitime.<\/li><\/ul><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici.webp\" alt=\"\" class=\"wp-image-2205\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>2\uff1aCompromission du serveur<\/strong><\/p><p>Parfois, votre serveur lui-m\u00eame peut \u00eatre compromis, ce qui permet aux attaquants de modifier les fichiers du site web, d'injecter du code malveillant ou de changer les configurations pour rediriger les utilisateurs vers un autre endroit. Cette situation est fr\u00e9quente lorsque des vuln\u00e9rabilit\u00e9s logicielles sont exploit\u00e9es ou que des mots de passe faibles sont utilis\u00e9s pour s\u00e9curiser le serveur.<\/p><ul class=\"wp-block-list\"><li><strong>Exemple<\/strong>: Un pirate acc\u00e8de \u00e0 votre serveur web via une version obsol\u00e8te de votre syst\u00e8me de gestion de contenu (par exemple, WordPress) pr\u00e9sentant une faille de s\u00e9curit\u00e9 connue. Une fois entr\u00e9, il modifie le fichier .htaccess pour rediriger tout le trafic vers un domaine diff\u00e9rent.<\/li><\/ul><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio.webp\" alt=\"\" class=\"wp-image-2211\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>3\uff1aInfection par logiciel malveillant<\/strong><\/p><p>Parfois, le probl\u00e8me ne se situe pas au niveau de votre serveur ou de votre DNS, mais du c\u00f4t\u00e9 du client. Les utilisateurs qui tentent d'acc\u00e9der \u00e0 votre site peuvent \u00eatre infect\u00e9s par des logiciels malveillants qui d\u00e9tournent les param\u00e8tres DNS de leur navigateur et les redirigent vers des sites web non d\u00e9sir\u00e9s.<\/p><ul class=\"wp-block-list\"><li><strong>Exemple<\/strong>: L'appareil d'un utilisateur est infect\u00e9 par un logiciel malveillant qui modifie le fichier de l'h\u00f4te ou les param\u00e8tres DNS. Lorsqu'il tente d'acc\u00e9der \u00e0 votre domaine, il est dirig\u00e9 vers un site malveillant.<\/li><\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti.webp\" alt=\"\" class=\"wp-image-2214\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h3 class=\"wp-block-heading\">Solutions pour r\u00e9soudre le d\u00e9tournement de domaine<\/h3><h4 class=\"wp-block-heading\">R\u00e9soudre le d\u00e9tournement de DNS<\/h4><p>Si votre domaine est victime d'un d\u00e9tournement de DNS, il est essentiel d'agir rapidement :<\/p><p><strong>\u00c9tape 1 : V\u00e9rifiez vos enregistrements DNS<\/strong><\/p><p><br>Utilisez des outils en ligne de commande tels que <code>nslookup<\/code> ou <code>creuser<\/code> pour v\u00e9rifier si les enregistrements DNS de votre domaine ont \u00e9t\u00e9 modifi\u00e9s :<\/p><pre class=\"wp-block-code\"><code>nslookup votredomaine.com\ndig yourdomain.com<\/code><\/pre><p>Assurez-vous que l'adresse IP renvoy\u00e9e est correcte. Si l'adresse IP n'est pas famili\u00e8re ou pointe vers un autre endroit, il se peut que vos param\u00e8tres DNS aient \u00e9t\u00e9 d\u00e9tourn\u00e9s.<\/p><p><strong>\u00c9tape 2 : Changer de fournisseur DNS<\/strong><\/p><p>Si votre fournisseur DNS actuel a \u00e9t\u00e9 compromis, envisagez de passer \u00e0 un fournisseur DNS plus s\u00fbr. Des fournisseurs tels que <strong>Cloudflare<\/strong> ou <strong>Google DNS<\/strong> offrent des fonctions de s\u00e9curit\u00e9 renforc\u00e9es et une r\u00e9sistance aux attaques bas\u00e9es sur le DNS.<\/p><p><strong>Exemple<\/strong>: Si vous utilisiez un fournisseur de DNS qui ne prend pas en charge le DNSSEC, vous pourriez envisager de migrer vers Cloudflare, qui fournit le DNSSEC et int\u00e8gre des fonctions de s\u00e9curit\u00e9 telles que la limitation du d\u00e9bit et la protection contre les attaques DDoS.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN.webp\" alt=\"\" class=\"wp-image-2217\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u00c9tape 3 : S\u00e9curiser votre compte DNS<\/strong><\/p><p>Connectez-vous \u00e0 votre compte de gestion DNS et suivez les \u00e9tapes suivantes :<\/p><ul class=\"wp-block-list\"><li><strong>Activer l'authentification \u00e0 deux facteurs (2FA)<\/strong>: Cela permet de s'assurer que le personnel non autoris\u00e9 ne peut pas acc\u00e9der \u00e0 l'information.<\/li>\n\n<li><strong>Activer DNSSEC<\/strong>: DNSSEC (Domain Name System Security Extensions) prot\u00e8ge contre l'usurpation d'enregistrement DNS en signant num\u00e9riquement vos enregistrements DNS.<\/li>\n\n<li><strong>Examiner l'activit\u00e9 du compte<\/strong>: V\u00e9rifiez les journaux d'activit\u00e9 de votre compte pour identifier les connexions ou les modifications non autoris\u00e9es. Mettez imm\u00e9diatement \u00e0 jour votre mot de passe si une activit\u00e9 suspecte est d\u00e9tect\u00e9e.<\/li><\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I.webp\" alt=\"\" class=\"wp-image-2218\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u00c9tape 4 : Effacer le cache DNS<\/strong><\/p><p>Pour vous assurer que des informations DNS incorrectes ne sont pas mises en cache localement, effacez votre cache DNS local et encouragez les utilisateurs concern\u00e9s \u00e0 faire de m\u00eame :<\/p><pre class=\"wp-block-code\"><code># Windows\nipconfig \/flushdns\n\n# macOS\nsudo dscacheutil -flushcache ; sudo killall -HUP mDNSResponder\n\n# Linux\nsudo systemctl restart nscd<\/code><\/pre><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein.webp\" alt=\"\" class=\"wp-image-2219\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u00c9tape 5 : Surveiller les changements de DNS<\/strong><\/p><p>Mettez en place une surveillance et des alertes pour tout changement d'enregistrement DNS. Des outils comme <strong>Espion DNS<\/strong> ou <strong>PagerDuty<\/strong> peut vous avertir si des modifications non autoris\u00e9es sont d\u00e9tect\u00e9es.<br><\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with-.webp\" alt=\"\" class=\"wp-image-2220\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with-.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>La lutte contre la compromission des serveurs<\/strong><\/p><p>Si les param\u00e8tres DNS sont corrects mais que votre domaine est redirig\u00e9 de mani\u00e8re incorrecte, il se peut que votre serveur ait \u00e9t\u00e9 compromis.<\/p><p><strong>\u00c9tape 1 : Restauration des fichiers du serveur<\/strong><\/p><p>Examinez les fichiers critiques du site web, tels que <code>.htaccess<\/code>, <code>index.php<\/code>et les fichiers de configuration, afin de d\u00e9terminer si l'un d'entre eux a \u00e9t\u00e9 modifi\u00e9. Comparez ces fichiers aux versions de sauvegarde \u00e0 l'aide d'outils tels que <code>diff<\/code>:<\/p><pre class=\"wp-block-code\"><code># Comparez la version actuelle avec une sauvegarde\nsudo diff \/var\/www\/html\/index.php \/backup\/index.php<\/code><\/pre><p>Si vous constatez des divergences, remplacez les fichiers modifi\u00e9s par des versions propres provenant de vos sauvegardes.<\/p><p><strong>\u00c9tape 2 : Analyser les journaux du serveur<\/strong><\/p><p>Examinez les journaux d'acc\u00e8s au serveur et les journaux d'erreurs pour y d\u00e9celer toute activit\u00e9 inhabituelle :<\/p><pre class=\"wp-block-code\"><code>tail -n 50 \/var\/log\/nginx\/access.log\ngrep \"POST\" \/var\/log\/nginx\/access.log # Recherche de requ\u00eates POST inhabituelles<\/code><\/pre><p>Recherchez les adresses IP pr\u00e9sentant des sch\u00e9mas d'acc\u00e8s anormaux ou des tentatives d'ex\u00e9cution de commandes.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t.webp\" alt=\"\" class=\"wp-image-2221\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u00c9tape 3 : Modifier les mots de passe et les cl\u00e9s<\/strong><\/p><p>Modifiez tous les mots de passe associ\u00e9s \u00e0 votre serveur, y compris les cl\u00e9s SSH et les informations d'identification de la base de donn\u00e9es. Assurez-vous qu'ils sont solides et uniques.<\/p><p><strong>\u00c9tape 4 : Renforcer la s\u00e9curit\u00e9 du serveur<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>Authentification par cl\u00e9 SSH<\/strong>: D\u00e9sactivez l'acc\u00e8s SSH bas\u00e9 sur un mot de passe et utilisez plut\u00f4t une authentification bas\u00e9e sur une cl\u00e9.<\/li>\n\n<li><strong>Pare-feu pour applications web (WAF)<\/strong>: D\u00e9ployez un WAF comme <strong>ModSecurity<\/strong> ou utilisez une solution g\u00e9r\u00e9e comme <strong>Cloudflare WAF<\/strong> pour filtrer les requ\u00eates malveillantes avant qu'elles n'atteignent votre serveur.<\/li>\n\n<li><strong>Principe du moindre privil\u00e8ge<\/strong>: Assurez-vous que les droits d'acc\u00e8s aux fichiers et aux dossiers sur votre serveur sont d\u00e9finis au minimum n\u00e9cessaire pour un fonctionnement normal (par exemple, les fichiers PHP ne doivent pas \u00eatre accessibles en \u00e9criture par le serveur web).<\/li><\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W.webp\" alt=\"\" class=\"wp-image-2222\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u00c9tape 5 : Recherche de logiciels malveillants<\/strong><\/p><p>Ex\u00e9cutez des outils de s\u00e9curit\u00e9 tels que <code>rkhunter<\/code>, <code>chkrootkit<\/code>ou des outils tiers tels que <strong>Sucuri<\/strong> pour d\u00e9tecter tout rootkit ou logiciel malveillant sur le serveur.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser.webp\" alt=\"\" class=\"wp-image-2225\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p>Att\u00e9nuation des logiciels malveillants c\u00f4t\u00e9 client<\/p><p>Si les utilisateurs continuent d'\u00eatre redirig\u00e9s alors que tout est s\u00e9curis\u00e9 de votre c\u00f4t\u00e9, cela peut \u00eatre d\u00fb \u00e0 la pr\u00e9sence de logiciels malveillants sur leurs appareils.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser.webp\" alt=\"\" class=\"wp-image-2226\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u00c9tape 1 : Informer les utilisateurs<\/strong><\/p><p>Vous trouverez sur votre site web une notice expliquant les risques de logiciels malveillants c\u00f4t\u00e9 client, ainsi que des instructions sur la mani\u00e8re de scanner leurs appareils \u00e0 l'aide d'outils antivirus r\u00e9put\u00e9s tels que <strong>Malwarebytes<\/strong> ou <strong>Kaspersky<\/strong>.<\/p><p><strong>\u00c9tape 2 : Param\u00e8tres du navigateur et du cache<\/strong><\/p><p>Conseillez aux utilisateurs d'effacer le cache et les cookies de leur navigateur, car les logiciels malveillants peuvent souvent manipuler les donn\u00e9es stock\u00e9es pour poursuivre la redirection.<\/p><p><strong>\u00c9tape 3 : Sugg\u00e9rer une analyse compl\u00e8te du syst\u00e8me<\/strong><\/p><p>Encouragez les utilisateurs \u00e0 effectuer une recherche compl\u00e8te de logiciels malveillants dans le syst\u00e8me \u00e0 l'aide de logiciels tels que <strong>Bitdefender<\/strong> ou <strong>Norton Security<\/strong>.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u.webp\" alt=\"\" class=\"wp-image-2229\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>Mesures pr\u00e9ventives et bonnes pratiques<\/strong><\/p><p><strong>1. Sauvegardes r\u00e9guli\u00e8res<\/strong>: Sauvegardez vos configurations DNS, vos fichiers de serveur et vos bases de donn\u00e9es. Stockez les sauvegardes hors site dans un espace de stockage s\u00e9curis\u00e9 tel que <strong>AWS S3<\/strong> ou <strong>Stockage Azure Blob<\/strong>.<\/p><p><strong>2. Audits de s\u00e9curit\u00e9<\/strong>: Planifiez des audits de s\u00e9curit\u00e9 de routine pour les param\u00e8tres DNS, les configurations de serveur et les journaux d'acc\u00e8s afin de d\u00e9tecter les signes pr\u00e9curseurs de vuln\u00e9rabilit\u00e9s ou de changements non autoris\u00e9s.<\/p><p><strong>3. Alertes automatis\u00e9es<\/strong>: Mettez en place des alertes automatis\u00e9es en cas de changement d'enregistrement DNS, d'acc\u00e8s inattendu au serveur ou de tentatives de connexion. Des services comme <strong>Cloudflare<\/strong> fournir une surveillance et des alertes en temps r\u00e9el.<\/p><p><strong>4. Utiliser les r\u00e9seaux de diffusion de contenu (CDN)<\/strong>: Mettre en place des CDN comme <strong>Akamai<\/strong> ou <strong>Cloudflare<\/strong> pour ajouter une couche de s\u00e9curit\u00e9 gr\u00e2ce \u00e0 des fonctionnalit\u00e9s telles que la protection contre les attaques DDoS et le filtrage des requ\u00eates.<\/p><p><strong>5. Verrouillage du domaine<\/strong>: Activer <strong>Verrouillage du domaine<\/strong> par l'interm\u00e9diaire de votre bureau d'enregistrement afin d'\u00e9viter les transferts de domaines non autoris\u00e9s. Cela ajoute une couche de protection contre les changements non autoris\u00e9s au niveau du bureau d'enregistrement.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A.webp\" alt=\"\" class=\"wp-image-2230\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h3 class=\"wp-block-heading\">Conclusion<\/h3><p>Le d\u00e9tournement de domaine pr\u00e9sente des risques importants, allant de la perte de trafic \u00e0 l'atteinte \u00e0 l'image de marque. En comprenant les causes sous-jacentes, qu'il s'agisse d'un d\u00e9tournement de DNS, d'une compromission du serveur ou d'un logiciel malveillant c\u00f4t\u00e9 client, vous pouvez mettre en \u0153uvre des actions cibl\u00e9es pour att\u00e9nuer ces risques. Utilisez les solutions recommand\u00e9es pour reprendre le contr\u00f4le et adoptez les meilleures pratiques pour prot\u00e9ger votre domaine contre de futures attaques.<\/p><p>En mettant en \u0153uvre des mesures de s\u00e9curit\u00e9 solides et en restant vigilant, vous vous assurez que votre site web reste s\u00e9curis\u00e9 et accessible. Si vous avez d'autres questions ou si vous avez besoin d'aide pour s\u00e9curiser vos actifs num\u00e9riques, n'h\u00e9sitez pas \u00e0 nous contacter dans les commentaires ou \u00e0 contacter notre \u00e9quipe d'assistance.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le d\u00e9tournement de domaine est un probl\u00e8me grave qui peut nuire \u00e0 la r\u00e9putation et \u00e0 la s\u00e9curit\u00e9 de votre site web. Imaginez que vous ouvriez votre domaine pour vous retrouver sur...<\/p>","protected":false},"author":1,"featured_media":2302,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72,31],"tags":[187,188],"class_list":["post-1974","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-performance-monitoring-tuning","category-server-ops","tag-dns-hijacking-2","tag-server-compromise-2",""],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/posts\/1974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/comments?post=1974"}],"version-history":[{"count":10,"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/posts\/1974\/revisions"}],"predecessor-version":[{"id":3190,"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/posts\/1974\/revisions\/3190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/media\/2302"}],"wp:attachment":[{"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/media?parent=1974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/categories?post=1974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.openbyt.com\/fr\/wp-json\/wp\/v2\/tags?post=1974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}