Tag Archives: dns tampering

Michael Duffy on Agencies’ Compliance With DHS Directive on DNS Tampering Campaign

Michael Duffy of the Department of Homeland Security said there are only “a handful” of agencies that still need to comply with the requirements of an emergency directive that DHS released in January to address Domain Name System tampering activities, FCW reported Friday. Duffy, acting deputy director of DHS’ federal network resilience division, said during a Thursday meeting of the Information Security and Privacy Advisory Board that those agencies deal with "external dependencies" on DNS providers that make the process challenging to adopt multifactor authentication.

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Christopher Krebs Explains Rationale Behind CISA’s Directive on DNS Tampering Campaign

Christopher Krebs, director of the Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency, has explained the reason behind CISA’s move to release its first emergency directive about Domain Name System tampering activities. Reports from FireEye and Cisco Talos revealed that malicious actors gained access to accounts that regulated DNS records and “made them resolve to their own infrastructure before relaying it to the real address,” Krebs wrote in a blog post published Thursday.
 

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DHS’ Christopher Krebs Issues Directive to Address Domain Name System Tampering Campaign

The Department of Homeland Security has released an emergency directive to guide federal agencies how to address Domain Name System tampering activities. Attackers compromise DNS by targeting user credentials, altering DNS records and accessing valid encryption certificates that allow them to decrypt the redirected traffic, Christopher Krebs, director of DHS’ Cybersecurity and Infrastructure Security Agency, wrote in the directive released Tuesday.

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