ATF Declares 'Major Cyber Incident' Following Extortion Gang Ransomware Attack

Federal cyber defenders have launched emergency mitigation measures following a confirmed network intrusion at the ATF.

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) has formally declared a 'major cyber incident' under federal guidelines following a targeted ransomware intrusion into non-classified administrative systems.

A notorious cybercrime syndicate claimed responsibility for exfiltrating internal files and operational logs. CISA and the FBI are currently providing incident response and forensic remediation assistance.

Government officials stated that sensitive law enforcement enforcement databases remain segregated and operational despite ongoing network containment efforts.