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[Joint Cybersecurity Advisory] Operation Double Barrel (The Relationship Between a State-Sponsored Threat Actor and the Gunra Ransomware Group)

July 29, 2026 · AhnLab ASEC · Severity: CRITICAL

This joint cybersecurity advisory from South Korean agencies analyzes the relationship between a state-sponsored threat actor and the Gunra ransomware group. It details how they collaborate in cyberattacks targeting Korean citizens and businesses.

Key Takeaways

  • Joint advisory from South Korean agencies details state-sponsored hacking and ransomware collaboration.
  • Operation Double Barrel links a state threat actor with the Gunra ransomware group.
  • The report focuses on cyberattacks targeting Korean citizens and businesses.
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