DOJ firearms agency says hackers breached system containing investigation targets The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) confirmed that it recently experienced a cyberattack, calling the breach a “major incident.” The agency, housed within the Department of Justice, appeared on the leak site of the Qilin ransomware gang on Wednesday. An ATF spokesperson told Recorded Future News the issue “involved a standalone computer system containing information about targets of ATF investigations.” “The standalone system was not connected to any other ATF systems, including any case management systems, laboratory systems, or eForms systems, and it was quickly shut down when the breach was discovered,” the spokesperson said. “This is an ongoing investigation, and no further…