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TechRadar
Efosa Udinmwen

Microsoft 365 and Google Workspace could put sensitive data at risk because of a blind spot in default email behavior

Back view of a man using a laptop with Windows 11's Microsoft Store app open.
  • Experts warn emails sent with sensitive data are still getting delivered unencrypted, and no one gets notified
  • Microsoft 365 sends email in plain text when encryption fails, without alerting the user at all
  • Google Workspace still uses insecure TLS 1.0 and 1.1 without warning senders or rejecting messages

Most users assume that emails sent through cloud services are encrypted and secure by default, but this might not always be the case, new research has claimed.

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