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Breaches & RansomwareEmerging1 sourceAug 28, 2026 · 20:29via CyberScoop

ATF confirms cyberattack hit system containing info on its investigation targets

Brief

The Bureau of Alcohol, Tobacco, Firearms and Explosives insists the cyberattack that it publicly disclosed Wednesday was limited to investigation targets, and has not impacted other agency systems.

ATF said it is responding to the breach , which first became public after a prolific ransomware group claimed it accessed the federal agency’s network “The incident involved a standalone computer system containing information about targets of ATF investigations,” Tanya Roman, ATF’s public affairs chief, told CyberScoop in an email.

“The standalone system was not connected to any other ATF systems, including any case management systems, laboratory systems, or eForms systems, and it was quickly shut down when the breach was discovered,” Roman added.

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