Bureau of Alcohol, Tobacco, Firearms and Explosives
Disclosed Aug 27, 20264 weeks agoConfirmed
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 affected | Not stated in the sources we have |
|---|---|
| Disclosed | Aug 27, 2026 |
| Attack | Ransomware |
| Data exposed | Internal documents |
| Sector | Government · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| ATF responds to cybersecurity incidentatf.gov · Official notice | Official notice |
| ATF confirms 'major incident' after recent Qilin breach claimsbleepingcomputer.com · News | News |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Aug 27 |
History of this record
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.
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