Latest cybersecurity reporting from selected sources.

Microsoft is investigating a known issue that triggers Outlook errors when opening encrypted emails sent from other organizations. [...]

Deal Ends Suit Alleging Microsoft's Message Encryption Tool Violated Virtru PatentsAfter three years of litigation, Virtru and Microsoft have settled a patent infringement case involving the tech giant’s email encryption product. The suit claimed Microsoft's technology infringed Virtru’s patented identity-driven encryption method for seamless, credential-free data access.

​Microsoft has shared a temporary fix for a known issue preventing Microsoft 365 customers from replying to encrypted emails using the Outlook Desktop client. [...]

New research has disclosed what's being called a security vulnerability in Microsoft 365 that could be exploited to infer message contents due to the use of a broken cryptographic algorithm

Redmond says OME is really for content misuse rather than security Microsoft Office 365 Message Encryption claims to offer a way "to send and receive encrypted email messages between people inside and outside your organization."…

The default email encryption used in Microsoft Office's cloud version is leaky, which the company acknowledged but said it wouldn't fix.

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. [...]

Crafty file names, encrypted malicious code, Office flaws – ah, it's like the Before Times HP's cybersecurity folks have uncovered an email campaign that ticks all the boxes: messages with a PDF attached that embeds a Word document that upon opening infects the victim's Windows PC with malware by exploiting a four-year-old code-execution vulnerability in Microsoft Office.…