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SC Media·3 min read·hard

HollowGraph malware uses Microsoft 365 calendar for command and control

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SC Staff
HollowGraph malware uses Microsoft 365 calendar for command and control
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Security researchers have identified a new malware called HollowGraph that uses Microsoft 365 calendar events for command-and-control communication. The malware, likely linked to Iranian threat actors, targets Israeli organizations for espionage.

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A new malware component called HollowGraph has been identified by Group-IB that leverages the calendar feature within compromised Microsoft 365 mailboxes to act as a command-and-control channel, according to a recent report by Bleeping Computer.

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HollowGraph malware uses Microsoft 365 calendar for command and control — Headlinne — headlinne