{"id":2567,"date":"2024-02-21T16:10:43","date_gmt":"2024-02-21T16:10:43","guid":{"rendered":"https:\/\/ddi.mohflo.net\/?page_id=2567"},"modified":"2024-02-21T16:14:55","modified_gmt":"2024-02-21T16:14:55","slug":"dns-based-attacks","status":"publish","type":"page","link":"https:\/\/ddi.mohflo.net\/index.php\/dns-based-attacks\/","title":{"rendered":"DNS based attacks"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A <strong>DNS attack<\/strong> targets the availability or stability of a network\u2019s <strong>Domain Name System (DNS)<\/strong> service. DNS plays a critical role in translating human-readable domain names into IP addresses that computers use to communicate. Here\u2019s how DNS attacks work and some common types:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DNS Spoofing (Cache Poisoning)<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: Manipulates a DNS server\u2019s cache to redirect traffic from a legitimate website to an imposter site.<\/li>\n\n\n\n<li><strong>Attack Process<\/strong>:\n<ol class=\"wp-block-list\">\n<li>The attacker sends fake DNS responses to the DNS server, tricking it into caching the wrong IP address for an authentic domain name.<\/li>\n\n\n\n<li>Users unknowingly visit the imposter site, which appears identical to the legitimate one.<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><a href=\"https:\/\/www.paloaltonetworks.com\/cyberpedia\/what-is-a-dns-attack\"><strong>Impact<\/strong>: Can lead to data theft, reputation damage, and unauthorized access<\/a><a href=\"https:\/\/www.paloaltonetworks.com\/cyberpedia\/what-is-a-dns-attack\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>1<\/sup><\/a><a href=\"https:\/\/www.dnsfilter.com\/blog\/dns-poisoning\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>2<\/sup><\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li><strong>DNS Amplification (DDoS)<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: Involves sending look-up queries with spoofed target IPs, causing the target to receive excessive DNS responses.<\/li>\n\n\n\n<li><strong>Attack Process<\/strong>:\n<ol class=\"wp-block-list\">\n<li>Cybercriminals flood a target server with amplified DNS traffic.<\/li>\n\n\n\n<li>Overloads the network bandwidth, disrupting services.<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><a href=\"https:\/\/www.paloaltonetworks.com\/cyberpedia\/what-is-a-dns-attack\"><strong>Impact<\/strong>: Network saturation and downtime<\/a><a href=\"https:\/\/brightsec.com\/blog\/dns-flood-attack\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li><strong>DNS Hijacking<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: Redirects DNS transactions by \u201chijacking\u201d them, leading users to connect with unintended servers.<\/li>\n\n\n\n<li><strong>Attack Process<\/strong>:\n<ol class=\"wp-block-list\">\n<li>Malware on a user\u2019s computer or hacked DNS communications alter DNS transactions.<\/li>\n\n\n\n<li>Users unknowingly connect to malicious servers.<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><a href=\"https:\/\/www.eccouncil.org\/cybersecurity-exchange\/network-security\/what-is-dns-hijacking-how-to-prevent-dns-attacks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Impact<\/strong>: Unauthorized access and potential data compromise<\/a><a href=\"https:\/\/www.eccouncil.org\/cybersecurity-exchange\/network-security\/what-is-dns-hijacking-how-to-prevent-dns-attacks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>4<\/sup><\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">DNS attacks can result in financial losses, data breaches, and website downtime. Organizations must implement robust DNS security practices to mitigate these risks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A DNS attack targets the availability or stability of a<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2567","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ddi.mohflo.net\/index.php\/wp-json\/wp\/v2\/pages\/2567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ddi.mohflo.net\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ddi.mohflo.net\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ddi.mohflo.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ddi.mohflo.net\/index.php\/wp-json\/wp\/v2\/comments?post=2567"}],"version-history":[{"count":4,"href":"https:\/\/ddi.mohflo.net\/index.php\/wp-json\/wp\/v2\/pages\/2567\/revisions"}],"predecessor-version":[{"id":2574,"href":"https:\/\/ddi.mohflo.net\/index.php\/wp-json\/wp\/v2\/pages\/2567\/revisions\/2574"}],"wp:attachment":[{"href":"https:\/\/ddi.mohflo.net\/index.php\/wp-json\/wp\/v2\/media?parent=2567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}