Add Yahoo as a preferred source to see more of our stories on Google. Credit: Shutterstock A security researcher has uncovered a bug in Outlook that could allow anyone to impersonate Microsoft ...

Microsoft is about to introduce new security requirements that will mean users of Outlook.com will no longer be able to access their Gmail inboxes. Starting June 30, if you want to use Outlook to ...

As part of Microsoft's ongoing Microsoft Secure Future Initiative (SFI), the company is readying three new security enhancements for Outlook personal accounts. The updates, effective in the latter ...

Microsoft has fixed an issue that triggers erroneous Outlook security alerts when opening .ICS calendar files after installing the December 2023 Outlook Desktop security updates. The December Patch ...

Haifei Li, a principal vulnerability researcher at Check Point Software Technologies Ltd., examines the universe of Microsoft Outlook exploits in a new blog post this week that has lessons for users ...

New security rules come into place for outlook.com on May 5. Update, April 20, 2025: This story, originally published April 18, has been updated with further advice from Red Sift’s Faisal Misle on ...

Microsoft has doubled down on its Copilot strategy, announcing new agents and capabilities that bring deeper intelligence and automation to everyday workflows in Microsoft 365. The biggest changes are ...

While sending an email through the Outlook desktop app, if you see an error message saying Microsoft Outlook cannot sign or encrypt this message because there are no ...

Microsoft Outlook can be turned into a C2 beacon to remotely execute code, as demonstrated by a new red team post-exploitation framework named "Specula," released today by cybersecurity firm ...

A practical guide to Outlook HIPAA compliance. Learn encryption requirements, configuration steps, and when to choose ...