High-profile CISA departure adds to agency’s struggles

The No. 2 official in the Cybersecurity and Infrastructure Security Agency’s Cybersecurity Division is leaving the government at the end of the month, in what experts say is a major loss for an agency already struggling amid the Trump administration’s workforce purge.

Matt Hartman, the deputy executive assistant director of the cyber division, announced his departure on Tuesday during a town-hall meeting with his staff, two people familiar with the matter told Cybersecurity Dive. He has been at the Department of Homeland Security since 2010 and has overseen the day-to-day operations of CISA’s largest and best-known division since February 2021. Hartman’s team is responsible for threat hunting on government networks, providing security services to other federal agencies, analyzing and reporting on new vulnerabilities and managing the Joint Cyber Defense Collaborative. He has served as acting head of the cyber division from the beginning of the Trump administration until Trump’s appointment of Karen Evans to lead the division.

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