ATF Investigates 'Major' Cybersecurity Incident as Ransomware Group Claims Attack

The ATF is investigating a cybersecurity incident designated a "major incident" by Justice Department officials as Qilin ransomware claims credit.

ATF Investigates 'Major' Cybersecurity Incident as Ransomware Group Claims Attack

TL;DR

  • The ATF is investigating a cybersecurity incident classified as a 'major incident'.
  • The Qilin ransomware group has claimed responsibility, but the ATF has not confirmed this attribution.
  • The affected system is separate from the ATF's main network and did not impact operations.
  • The ATF is conducting forensic and incident-response efforts.
  • The agency has not disclosed if data was accessed or stolen.