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Cyber Security Newscybersecuritynews.comMay 25, 2026

Megalodon Malware Compromised 5,500+ GitHub Repos Within 6 Hours

A sweeping automated supply chain attack codenamed "Megalodon" struck GitHub on May 18, 2026, injecting malicious CI/CD backdoors into over 5,500 repositories in less than six hours, marking one of the most aggressive GitHub Actions poisoning campaigns ever recorded.

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Tags

  • Cyber Security
  • Megalodon Malware
  • Malware
  • GitHub