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FBI officials recently reached out to members of Congress to alert them to a cyber hack classified as a “major incident.”
Fox News is told that China is the culprit and that the breach could pose a threat to national security.
The FBI made this designation last week when notifying several members of Congress.
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Federal Bureau of Investigation Director Kash Patel arrives to a Senate Intelligence Committee hearing on worldwide threats in the Hart Senate Office Building on March 18, 2026 in Washington, DC. (Win McNamee/Getty Images)
FOX News has reached out to the FBI for comment.
The FBI ruled that the incident met the major incident criteria under federal law, the outlet reported, citing an unidentified congressional aide and two unidentified American officials.
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The FBI found a point of interest using an aviation team. (BRENDAN SMIALOWSKI/AFP )
Congress was notified about the decision earlier this week, the outlet reported, citing the aide.
Politico reported that in a March notice to Congress, the federal law enforcement agency informed lawmakers that hackers appeared to breach an FBI system by “leveraging a commercial Internet Service Provider’s vendor infrastructure,” which it characterized as reflective of the group’s “sophisticated tactics.”
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An early morning visitor to the National Mall is silhouetted against the orange sky of daybreak behind the U.S. Capitol Dome on April 1, 2026, in Washington, DC (J. David Ake/Getty Images)
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The outlet reported that the notice indicated that the “affected” system included “returns from legal process, such as pen register and trap and trace surveillance returns, and personally identifiable information pertaining to subjects of FBI investigations.”