ATF investigating 'major' cybersecurity incident
The ATF announced that hackers broke into one of its computer systems in what the agency described as a "major" cybersecurity incident. A ransomware group called Qilin claimed responsibility for the attack. It remains unclear what information, if any, was accessed or stolen.
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National story. 27 articles from 16 sources. Updated Aug 28, 2026.
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Center
11 sourcesThe ATF Was Just Hit by a ‘Major’ Hacker Breach—And Investigation Targets Were Exposed
ATF responds to 'major' cybersecurity incident after ransomware gang's claims
Right
5 sourcesATF Confirms 'Major' Cyberattack Without Offering Details of What Was Targeted
'Russia-Linked Hacker Group' Takes Credit for Cyberattack on ATF System
ATF Confirms Major Cyberattack After Qilin Claim—Were Gun-Owner Records Exposed?
ATF investigates ‘major’ cybersecurity incident as ransomware group claims attack
ATF investigating 'major' cybersecurity incident involving Russian-linked ransomware group
The story so far
2 developments- Aug 27ATF investigating 'major' cybersecurity incident
- Aug 27Only right-leaning coverage:ATF Confirms Major Cyberattack After Qilin Claim—Were Gun-Owner Records Exposed?
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Quiet for 51 daysLast development · Aug 27 — ATF Confirms Major Cyberattack After Qilin Claim—Were Gun-Owner Records Exposed?