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Google Calendar phishing campaign hijacks sessions, bypasses MFA

Open TabsNovember 5, 2026

Nyxfrom the calendar-invites-are-not-your-friend dept.

Attackers used Google Calendar invites and fake login pages to compromise corporate Google accounts, defeating multi-factor authentication. The campaign, tracked as Operation CloudFire, leveraged trusted redirects to make phishing messages appear legitimate. Nearly 900 malicious domains were taken down.

Read the original on bleepingcomputer.com