President Donald Trump on Friday proposed significantly slashing the Cybersecurity and Infrastructure Security Agency’s budget. The White House’s fiscal year 2027 budget would reduce CISA’s funding by $707 million, roughly 30% of its FY2025 budget of $2.4 billion. The administration said its proposal “refocuses CISA on its core mission” of protecting federal networks and helping critical infrastructure operators defend themselves from cyberattacks and physical threats. But the White House also repeated its criticism of CISA’s work with tech companies to stop the spread of misinformation in 2020, at the end of the first Trump administration, which it described as weaponizing the powers of government to stifle Americans’ online speech. “CISA was more focused on censorship than on protecting the Nation’s critical systems, and put them at risk due to poor management and inefficiency, as well as a focus on self-promotion,” the budget document said. The proposed budget cut, which is likely to face strong opposition from congressional Democrats, represents the latest blow to CISA under the second Trump administration. The agency has already lost one-third of its workforce, including many key employees, as well as the trust of partners in industry and state and local government. The Department of Homeland Security has not released a detailed budget proposal for CISA and other DHS agencies, so the specifics of the administration’s planned cuts to the cyber agency remain unclear. But the White House’s budget overview offers a few clues. Slashing partnerships The White House is proposing to codify its October layoffs of virtually all employees in CISA’s Stakeholder Engagement Division (SED), including personnel focused on liaising with critical infrastructure operators, foreign governments and U.S. universities. Under the administration’s plan, only one of SED’s four subdivisions — the one that handles CISA’s responsibilities as the Sector Risk Management Agency for eight of