Russia-Linked Qilin Ransomware Claims Credit for ATF Cyberattack

The Russia-linked Qilin ransomware group is claiming responsibility for a cybersecurity incident involving an alleged hack into a system operated by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), according to The Hill.

Cybernews reported that Qilin listed the ATF on its dark web leak site early Wednesday morning, alongside five other victims primarily from the industrial and manufacturing sectors. Among the other reported victims were WireCo, Metal Conversions, and Air International Thermal Systems.

The ATF released a statement acknowledging the incident, saying it “immediately terminated connections to the affected environment and initiated incident-response and forensic activities” upon discovery. The agency noted it is coordinating closely with the Department of Justice to investigate.

Details remain scarce regarding what information, if any, may have been accessed, copied, or taken during the attack. Cybernews noted that no specifics have been disclosed about the nature of the data involved.

Gun Owners of America (GOA) issued a warning in response, stating: “It’s unclear what data, if any, was stolen. But [the ATF] maintains a registry of more than 1 BILLION guns and gun owners.”

However, the ATF has stressed that the incident affected “a standalone system not connected to the ATF enterprise network, ATF eForms system, or any other ATF system.” The agency said the system was “quickly shut down when the breach was discovered” and described the matter as an ongoing investigation.

The Qilin ransomware group has been active since at least 2022 and has been linked to Russian-speaking cybercriminal networks. The group is known for double-extortion tactics, leaking stolen data on dark web sites to pressure victims into paying ransoms.

The claimed attack on the ATF comes amid heightened scrutiny of the agency’s data collection practices, particularly regarding firearm records. The GOA’s reference to a registry of over one billion guns and gun owners highlights ongoing concerns among gun rights advocates about federal tracking of firearm ownership.

Federal investigators have not publicly confirmed the extent of the breach or whether any data was exfiltrated. The ATF emphasized that the affected system was isolated, which may limit the potential impact of the attack.

This is not the first time a federal agency has been targeted by ransomware groups. In recent years, multiple government departments have faced similar threats, prompting increased cybersecurity measures across the federal government.

The Justice Department’s involvement indicates the seriousness with which the incident is being treated, though the investigation is still in its early stages.

Source: www.breitbart.com — https://www.breitbart.com/2nd-amendment/2026/08/27/russia-linked-hacker-group-takes-credit-for-cyberattack-on-atf-system/