Search: “HOLLOWGRAPH”

4 stories

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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Malware 5 Data breach 1 Threat actor 1

SeverityAll critical 1 high 4 medium 2 low 0 info 0

New HollowGraph Malware Hijacks Microsoft 365 Calendars for Covert C2

Infosecurity MagazineJul 20, 12:30 UTC · Jul 20, 2026Malware1

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HollowGraph Malware Hides C2 and Stolen Files in Microsoft 365 Events Dated 2050

The Hacker NewsJul 20, 14:33 UTC · Jul 20, 2026Malware

42

HOLLOWGRAPH malware turns Microsoft 365 calendars into an espionage channel

Help Net SecurityJul 20, 00:00 UTC · Jul 20, 2026Malware1

42

Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

The Hacker NewsJul 28, 11:55 UTC · Jul 28, 2026Malware

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