Tagged: HollowGraph

HollowGraph Microsoft 365 malware exploiting calendar events for C2 communications 0

HollowGraph Malware Exploits Microsoft 365 Calendars

Unveiling the HollowGraph Threat A cloud calendar can conceal far more than mundane appointments; the HollowGraph malware exploits Microsoft 365 to clandestinely receive commands and transmit pilfered files. Cybersecurity experts at Group-IB have detected...