Among the committees was the Cyber Safety Review Board that was conducting an investigation into the hack of American telecom companies by Beijing actors dubbed "Salt Typhoon."

The board had gained notoriety after investigating major hacking incidents including the Log4Shell vulnerability, the hacking group Lapsus$, and the compromises of Microsoft Exchange inboxes in 2023. The board was investigating the CCP-backed Salt Typhoon, a hacking group that compromised major telecom companies in the past few years.

The board responsible for investigating recent Salt Typhoon cyberattacks has reportedly been fired All DHS advisory boards cut to "improve efficiency" Advisory board members told they are free to reapply in the future The advisory board responsible for investigating the Chinese state-sponsored Salt Typhoon cyberattack which compromised numerous US telecommunications providers,

House Committee on Homeland Security Chairman Mark Green (R-Tenn.) told Nextgov/FCW that "President Trump's new DHS leadership should have the opportunity to decide the future of the Board. This could include appointing new members, reviewing its structure, or deciding if the Board is the best way to examine cyber intrusions."

The Department of Homeland security told members of the Cyber Safety Review Board that their membership was terminated.

The Cyber Safety Review Board — a Department of Homeland Security investigatory body stood up under a Biden-era cybersecurity executive order to probe major cybersecurity incidents — has been cleared of non-government members as part of a DHS-wide push to cut costs under the Trump administration, according to three people familiar with the matter.

Just a day after he was inaugurated, US President Donald J. Trump axed members of the nation’s Cyber Safety Review Board (CSRB), among others.