If you send sensitive information through email, you risk someone intercepting and reading your messages. However, you can ensure that only you and the intended recipient can view the contents of your ...

Learn why encryption keys matter more than encryption itself when choosing the best secure email—covering key ownership, access control, privacy risks, and true end-to-end security.

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 ...

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 ...

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 ...