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Cybersecurity and Infrastructure Security Agency (CISA)

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U.S. Secretary of Homeland Security Markwayne Mullin arrives to testify before the Senate Appropriations Subcommittee on the Department of Homeland Security in the Dirksen Senate Office Building on Capitol Hill on June 2, 2026. (Photo by Chip Somodevilla/Getty Images)

DHS Secretary Markwayne Mullin pinpoints optimal CISA staffing levels

He told lawmakers that he wants approximately 600 more people than it has now, which would still be well below personnel numbers prior to Trump’s second term.
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