Hollowgraph Backdoor Turns Microsoft 365 Calendars into a C2 Channel
By benrothke · 2026-08-04 · 2 points · 0 comments
https://www.picussecurity.com/resource/blog/hollowgraph-backdoor-turns-microsoft-365-calendars-into-a-c2-channel
By benrothke · 2 points · 0 comments · on Hacker News, read on BetterNews.
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