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Massive "Megalodon" Supply Chain Attack Hits 5,000 GitHub Repos; Lazarus Group & Iranian APTs Deploy New Malware

Massive "Megalodon" Supply Chain Attack Hits 5,000 GitHub Repos; Lazarus Group & Iranian APTs Deploy New Malware

May 27, 2026
12 articles (7 new, 5 updated)
36 min read

Summary

This intelligence briefing covers the period of May 27, 2026, highlighting a surge in sophisticated state-sponsored and criminal cyber operations. Key events include the "Megalodon" supply chain attack compromising over 5,000 GitHub repositories, the Lazarus Group's deployment of the "RemotePE" memory-only RAT against financial firms, and an Iranian APT campaign using new RATs against targets in the US, Israel, and the UAE. Other significant events include data breaches at Instructure (Canvas LMS) and The Oncology Institute, and government warnings from the FBI and Taiwan regarding specific cyber threats.

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