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

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

This technical analysis report was prepared as part of the joint cybersecurity advisory titled “Advisory on Cyberattacks Targeting Korean Citizens and Businesses by State-Sponsored Hacking Groups” issued by the Republic of Korea’s National Intelligence Service (NIS), National Police Agency (NPA), Korea Internet & Security Agency (KISA), and Financial Security Institute

  • Jul 30 2026