Security researchers at WithSecure, previously F-Secure Business, found that it is possible to partially or fully infer the contents of encrypted messages sent through Microsoft Office 365 due to the ...

Encrypted emails in Microsoft’s older email client—called “classic Outlook” as opposed to “new Outlook”—have once again encountered problems. The company confirms on this support page that users of ...

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A new Microsoft-issued software patch for Outlook (Classic) on Windows 11 inadvertently broke encrypted email support - here's what that means.

There is no fix available, but you can always revert to an older version.

Researchers have discovered what they call a vulnerability in Microsoft 365, tied to the use of a broken or risky cryptographic algorithm. It could be exploited to infer some or all the content of ...

Microsoft is looking into a newly identified issue in classic Outlook that prevents users from opening certain encrypted emails following a recent ...

Office 365 encryption setup is the answer to the modern-day requirement of sending encrypted emails that contain sensitive information. Familiar by its acronym, OME, this email encryption technology ...