The HollowGraph malware abuses Microsoft Graph API and a compromised 365 account’s calendar for C&C communication.
HollowGraph uses Microsoft 365 calendar events dated to 2050 to receive commands and exfiltrate encrypted files through ...
Check your calendars for entries far into the future - especially if you're an Israeli entity.
Researchers have linked HollowGraph malware to the Cavern framework after discovering its use of Microsoft 365 calendars and ...
A malicious component dubbed HollowGraph uses the calendar feature in compromised Microsoft 365 mailboxes as a ...
Microsoft 365 calendars have become the latest hiding place for espionage malware, with attackers stashing commands and ...
Microsoft Corp will discontinue its Graph command-line interface tool next year, citing declining usage and overlap with existing developer tools as the company consolidates its software development ...