Google vs. APT41: Calendar Invaders Strike Again!
Google warns that Chinese threat actor APT41 is using Google Calendar for command-and-control in its cyber attacks. By sending phishing emails with malicious links, APT41 deploys malware that manipulates Calendar events for data exfiltration. Google’s efforts to disrupt APT41 include identifying and dismantling their Calendar operations.

Hot Take:
Google Calendar: The new meeting place for your mom’s book club and international cyber spies. Who knew scheduling apps could moonlight as espionage hubs?
Key Points:
- Chinese state-sponsored APT41 is using Google Calendar for malware command-and-control.
- The malware, ToughProgress, targets government entities via phishing emails.
- APT41 uses a compromised government site to distribute malware.
- Google has identified and taken down APT41-controlled Calendars and disrupted their infrastructure.
- APT41 employs free web hosting tools to distribute their malware, affecting hundreds of entities.
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