Tag
#HollowGraph
3 stories taggedHollowGraph.
Threat Intelligence
HollowGraph Malware Hides Spy Commands Inside Microsoft 365 Calendar Entries
A newly identified piece of malware turns ordinary calendar appointments into a covert messaging system, letting criminals send instructions and steal files without ever touching a suspicious server.
3 min read
Threat Intelligence
HollowGraph: The Spyware That Hides Its Orders in a Fake 2050 Calendar Invite
Researchers at Group-IB link the covert Microsoft 365 tool to Iran-nexus activity targeting Israeli organisations, with medium confidence.
4 min read
Threat Intelligence
HollowGraph Spies Hide Their Orders in Fake Calendar Events Dated 2050
A newly named espionage tool turns Microsoft 365 calendars into a secret mailbox, tucking instructions and stolen files into meetings set decades in the future.
3 min read