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Bureau of Alcohol, Tobacco, Firearms and Explosives

Disclosed Aug 27, 2026Confirmed

Official notice

ATF confirms major incident on separate system after Qilin listing

The ATF confirmed a cybersecurity incident affecting a system that runs separately from its enterprise network after the Qilin ransomware gang listed the agency on its leak site. Reports said investigation target data was exposed.

What is known

People affectedNot stated in the sources we have
DisclosedAug 27, 2026
AttackRansomware
Data exposedInternal documents
SectorGovernment · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.

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