Donald Trump’s nominee to lead the Cybersecurity and Infrastructure Security Agency (CISA), Sean Plankey, informed Homeland Security Secretary Markwayne Mullin and the White House that he is withdrawing his nomination after a 13-month stall, during which the well-regarded cybersecurity veteran faced mounting resistance. “After thirteen months since my initial nomination, it has become clear the Senate will not confirm me,” he wrote in a letter sent to the White House, according to Politico. Plankey was nominated by Trump last March but failed to be confirmed by the end of 2025. He was renominated in January, only to face resistance to his confirmation. While he waited for his CISA confirmati...