ATF Probes 'Major' Ransomware Attack on Federal System Linked to Notorious Group

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is investigating a 'major' cybersecurity incident involving a ransomware group that claims to have launched an attack on a standalone system. Senior Justice Department officials are involved in the inquiry, but details about the incident remain scarce. The ATF did not specify which agency or organization was affected by the cyberattack, but described it as a 'sustained threat'.