ATF announces investigation into 'major' cybersecurity incident

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is investigating a 'major' cybersecurity incident that affected a standalone system separate from its enterprise network, amid claims that the Russia-linked Qilin ransomware group targeted the bureau. The incident prompted immediate disconnection and forensic efforts, coinciding with DOJ seizures of Chinese state-backed hacking tools targeting multiple US agencies.

This Wire brief sits within Fusion42's coverage of Security: Cybersecurity, and 3 sources have reported it.