Threat Actor Activity18 Sept 2026·2 sources
AhnLab ASEC Links Gunra Ransomware to State-Sponsored Actor in 'Operation Double Barrel'
AhnLab ASEC, with Korea's National Intelligence Service, National Police Agency, KISA and the Financial Security Institute, published 'Operation Double Barrel' on 30 July 2026, describing a state-sponsored actor that has exploited Korean financial security software since 2025 and the overlaps it shares with Gunra ransomware intrusions.
GunraAhnLab ASECOperation Double Barrel+3