Cybersecurity company WithSecure Oyj is warning that a security flaw in Microsoft 365 Message Encryption can leak structural information in messages. WithSecure, previously known as F-Secure until ...

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 ...

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 ...

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In today’s digital landscape, email encryption has become a critical component of safeguarding sensitive information and maintaining secure communication channels. Microsoft 365 offers a comprehensive ...

Encryption in Microsoft 365 The ability to encrypt sensitive data in Microsoft 365 generally falls under the umbrella of Microsoft Information Protection. Encryption can be applied via sensitivity ...

Security researchers at WithSecure, the company formerly known as F-Secure, have published details of a potentially dangerous vulnerability in Microsoft Office 365 Message Encryption (OME) that could ...

Microsoft has released a new set of guidelines to its Office 365 customers on how they can configure encryption to protect sensitive data as well as updates on when they will be available to mobile ...

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

The problem happens for users who encrypt the email using the settings under the email File dialog (File > Encrypt), ...

Microsoft has confirmed a known issue that prevents recipients from opening encrypted emails in classic Outlook.