US government alcohol and firearms agency ATF declares ‘major incident’ after ransomware gang claims…

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  • Ransomware group Qilin lists Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) among new victims, claiming a “major incident”
  • ATF confirmed breach of a standalone system holding investigation target data, not core networks
  • Systems were disconnected, DOJ notified; Qilin is Russia‑linked, known for past Synnovis attack

The US Government's Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) has suffered a “major incident” in which it appears to have lost sensitive information.

Notorious ransomware operators Qilin added a handful of new names to their data leak site: Northern Leasing Systems, Metal Conversions, California Truck Equipment, Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), and WireCo.

The attackers did not say what kind of data they stole, or how much of it they have. They have also not posted any samples of the stolen files, which is not that uncommon these days.

ATF investigations

Shortly after appearing on Qilin’s data leak site,...

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