{"id":24596,"date":"2019-01-23T04:05:41","date_gmt":"2019-01-23T04:05:41","guid":{"rendered":"https:\/\/www.threatshub.org\/blog\/build-the-wall-around-your-dns-settings-us-govt-it-staff-urged-by-homeland-security-amid-domain-hijackings\/"},"modified":"2019-01-23T04:05:41","modified_gmt":"2019-01-23T04:05:41","slug":"build-the-wall-around-your-dns-settings-us-govt-it-staff-urged-by-homeland-security-amid-domain-hijackings","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/build-the-wall-around-your-dns-settings-us-govt-it-staff-urged-by-homeland-security-amid-domain-hijackings\/","title":{"rendered":"Build the wall&#8230; around your DNS settings, US govt IT staff urged by Homeland Security amid domain hijackings"},"content":{"rendered":"<p>America&#8217;s Homeland Security has urged US government departments and federal agencies to shore up their DNS control panels after hackers successfully stormed the barricades.<\/p>\n<p>In an <a target=\"_blank\" href=\"https:\/\/cyber.dhs.gov\/ed\/19-01\/\">emergency directive<\/a> issued within the past few hours, IT staff still manning their posts during the partial US government shutdown are advised to lock down their domain name settings for their .GOVs and other official web addresses.<\/p>\n<p>Uncle Sam&#8217;s techies have been told to use fresh, strong passwords for DNS settings, enable multi-factor authentication to thwart unauthorized changes to their domains, make sure web addresses resolve to the correct IP addresses, and monitor logs for signs of shenanigans.<\/p>\n<p>The instructions were issued after Homeland Security&#8217;s Cybersecurity and Infrastructure Security Agency (CISA) became aware of miscreants compromising the DNS infrastructure for \u201cmultiple executive branch agencies.&#8221; The total number is <a target=\"_blank\" href=\"https:\/\/www.cyberscoop.com\/dhs-dns-directive-government-shutdown\/\">at least six<\/a>, according to Washington DC-based CyberScoop.<\/p>\n<div class=\"promo_article\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/regmedia.co.uk\/2017\/08\/24\/shutterstock_sleepingguard.jpg?x=174&amp;y=115&amp;crop=1\" width=\"174\" height=\"115\" alt=\"A security guard asleep\"\/><\/p>\n<h2 title=\"Could someone slide a note on identity-theft protection under the door? Helloooo?\">*taps on glass* Hellooo, IRS? Anyone in? Anyone guarding taxpayers&#8217; data from crooks? Hellooo?<\/h2>\n<p><a href=\"https:\/\/www.theregister.co.uk\/2019\/01\/12\/senate_quizzes_irs\/\"><span>READ MORE<\/span><\/a><\/div>\n<p>Earlier this month, infosec biz FireEye reported a <a target=\"_blank\" href=\"https:\/\/www.theregister.co.uk\/2019\/01\/10\/fireeye_iran_dns_hijacking\/\">similar domain hijacking<\/a> campaign designed to redirect Middle Eastern government emails through Iranian IP addresses.<\/p>\n<p>Once hackers get hold of DNS account passwords, or bruteforce weak ones, they can change name servers, domain and sub-domain records, and MX settings so that netizens connecting to a government website or server are instead redirected to malicious systems that masquerade as the legit site. This allows stuff like emails, usernames, and passwords to be potentially harvested. HTTPS encryption really won&#8217;t help, the advisory added, because attackers can obtain valid certificates for the hijacked domain names.<\/p>\n<p>This is why America&#8217;s chiefs want agencies \u2013 and presumably those following along at home \u2013 to use strong passwords and multi-factor authentication for their domain management accounts to prevent domain hijackings. CISA added these DNS joyrides are \u201ca risk that persists beyond the period of traffic redirection.\u201d<\/p>\n<p>Here&#8217;s the key lines from the directive, and it won&#8217;t hurt to implement these yourself:<\/p>\n<p>Some agencies may struggle somewhat to comply: as you can see, the emergency directive requires these actions to be undertaken within 10 business days, something that may be difficult amid President Trump and Senate majority leader Mitch McConnell (R-KY)&#8217;s ongoing partial government shutdown. Last week, Netcraft <a target=\"_blank\" href=\"https:\/\/www.theregister.co.uk\/2019\/01\/11\/government_shutdown_security\/\">noted<\/a> the shutdown had prevented renewal of more than 130 US government-owned-TLS certificates.<\/p>\n<p>CISA also said that within 10 business days, it will \u201cbegin regular delivery of newly added certificates to Certificate Transparency (<a target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/www.certificate-transparency.org\/what-is-ct\">CT<\/a>) logs for agency domains, via the Cyber Hygiene service.\u201d Once it starts distributing those logs, agencies are directed to monitor them to spot any certificates they didn&#8217;t issue.<\/p>\n<p>Given the lack of IT staff on hand to do the job, the directive&#8217;s requirements are unlikely to be followed through by all departments. Attackers will, no doubt, be banking on Americans being distracted by arguments over a physical wall, allowing the miscreants to slip through the firewalls instead. \u00ae<\/p>\n<p>READ MORE <a href=\"http:\/\/go.theregister.com\/feed\/www.theregister.co.uk\/2019\/01\/23\/dhs_issues_emergency_directive\/\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anyone still at their posts, please stop these address takeovers&#8230; please, helloo? Anyone there? America&#8217;s Homeland Security has urged US government departments and federal agencies to shore up their DNS control panels after hackers successfully stormed the barricades.\u2026 READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":24597,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[63],"tags":[],"class_list":["post-24596","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-register"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Build the wall... around your DNS settings, US govt IT staff urged by Homeland Security amid domain hijackings 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; 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