Microsoft Office 365 email encryption may not be as watertight as it seems

Microsoft Office 365 vulnerability lets hackers sidestep email encryption

A WithSecure researcher has uncovered a Microsoft Office 365 vulnerability that enables hackers to infer the contents of encrypted emails.

Microsoft Office 365 email encryption may not be as watertight as it seems

There's a way to read the messages, a researcher claims, but Microsoft begs to differ

Microsoft Office 365 email encryption could expose message content

Security researchers at WithSecure have discovered it's possible to partially or fully infer the contents of encrypted messages sent through Microsoft Office 365, highlighting an intrinsic weakness in the encryption scheme used.

Serious Security: Microsoft Office 365 attacked over feeble encryption

How 2022 is your encryption?

Microsoft disputes report on Office 365 Message encryption issue after awarding bug bounty

Microsoft is denying reports from a cybersecurity firm that there are issues with the Electronic Codebook (ECB) mode within Microsoft Office 365 Message Encryption.

Weakness in Microsoft Office 365 Message Encryption could expose email contents - Help Net Security

There is a security weakness in Microsoft Office 365 Message Encryption that could be exploited by attackers to obtain sensitive information.