Watch out - that Microsoft Calendar invite dated 2050 could be hiding stolen files and worse

Check your calendars for entries far into the future - especially if you're an Israeli entity.
The Hacker News

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

HollowGraph uses Microsoft 365 calendar events dated to 2050 to receive commands and exfiltrate encrypted files through ...
SecurityWeek

New HollowGraph Malware Abuses Microsoft 365 Calendar for C&C Communication

The HollowGraph malware abuses Microsoft Graph API and a compromised 365 account’s calendar for C&C communication.
Infosecurity Magazine

New HollowGraph Malware Hijacks Microsoft 365 Calendars for Covert C2 Communications

Researchers have linked HollowGraph malware to the Cavern framework after discovering its use of Microsoft 365 calendars and ...
Redmond Magazine

Microsoft Graph APIs: The Glue That's Starting to Stick

During the Build 2017 Day 2 keynote in May, Microsoft execs repeatedly referenced Microsoft Graph, the successor to Office Graph, as the key enabler of next-generation computing scenarios. Graph (the ...
Ars Technica

Problem with filtering Outlook emails using Graph API

Just another question about the Microsoft Graph REST API.... I'm trying to use the API to retrieve messages in my Outlook inbox. It's working for the most part, but ...
SD Times

Microsoft launches usage reporting for Microsoft Graph API

Microsoft is introducing a new way for developers to get insight into how applications are accessing data through Microsoft Graph, an API that feeds data into Microsoft 365 applications and other ...

New HollowGraph malware uses Microsoft Graph for stealthy C2 comms

A malicious component dubbed HollowGraph uses the calendar feature in compromised Microsoft 365 mailboxes as a ...