The FBI has identified a significant cyber intrusion linked to China that threatens U.S. national security. This breach, which has affected a government surveillance system, involves sensitive information related to domestic law enforcement. The agency has classified it as a “major incident” under federal data security laws, which require that such breaches result in demonstrable harm to national interests.
Former officials have indicated that this incident reflects a broader pattern of cyberattacks from China, particularly those associated with a hacking group known as Salt Typhoon. This group previously infiltrated major telecommunications providers, compromising the data of millions of Americans and accessing FBI wiretap information. The Salt Typhoon operation, uncovered in 2024, is recognized as one of the most extensive intelligence breaches in U.S. history.
Despite these ongoing threats, the FBI and the Cybersecurity and Infrastructure Security Agency have refrained from commenting on the recent incident. Sources suggest that the tactics employed in the latest breach bear similarities to those used in the Salt Typhoon campaign, raising concerns about the effectiveness of U.S. counterintelligence measures against foreign cyber operations.