New HollowGraph Malware Abuses Microsoft 365 Calendar for C&C Communication

Summary

Part of a larger toolkit, HollowGraph uses a compromised 365 account’s calendar as a two-way dead-drop. The post New HollowGraph Malware Abuses Microsoft 365 Calendar for C&C Communication appeared first on SecurityWeek .

News Radar provides aggregated summaries. Full content and copyright remain with the original publisher.