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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 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 (FSI).

Key Takeaways

  • This technical analysis report was prepared as part of the joint cybersecurity advisory titled “Advisory on.
  • 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 (FSI).
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