Google Calendar phishing campaign hijacks sessions, bypasses MFA

November 4, 2026 · 3:00 pm 1 sources

Image: BleepingComputer

Coverage

Coverage

• Google Calendar phishing campaign hijacks sessions, bypasses MFA
  BleepingComputer · November 4, 2026 15:00
  A phishing campaign used Google Calendar invites, trusted redirects, and fake login pages to hijack corporate Google sessions and bypass MFA protections. Material Security examines how Operation CloudFire tracked the attacks, blocked malicious messages, and helped take down nearly 900 domains used…