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Trump’s pick to lead CISA withdraws nomination after months of political impasse

Sean Plankey testifies before the Senate Homeland Security and Governmental Affairs Committee on July 24, 2025. (Senate HSGAC video)

By JOHN SAKELLARIADIS and DANA NICKEL

President Donald Trump’s pick to lead the government’s civilian cyber defense agency is withdrawing from consideration after his candidacy languished in the Senate.

Sean Plankey informed Homeland Security Secretary Markwayne Mullin (R-Okla.) and the White House of his intentions on Wednesday, Plankey confirmed to POLITICO.

“After thirteen months since my initial nomination, it has become clear the Senate will not confirm me,” reads a letter Plankey sent to the White House Wednesday, which was viewed by POLITICO. “While I humbly request the removal of my nomination, I wholeheartedly support President Trump’s upcoming nomination for CISA and look forward to the continued success of the United States of America.”

Read more at POLITICO

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