Microsoft is investigating an issue causing the Defender for Office 365 security software to mistakenly block access to legitimate Google search links.

Microsoft 365 and Outlook are still seeing service degradations on Tuesday, the company's status page indicates.

An error in Microsoft Defender causes completely harmless Google search links to be incorrectly classified as dangerous and ...

Microsoft experienced one of its largest outages to date, affecting services including Outlook, Teams, 365 and more. Now, it appears the impact has been "resolved." Multiple Microsoft services ...

A three-day Microsoft 365 outage affected Outlook, Teams, and other services due to an authentication misconfiguration, causing widespread disruption and user complaints before gradual recovery ...

Microsoft plans to remove Defender Application Guard from Office by December 2027, starting with the February 2026 release of Office version 2602. The Microsoft Defender Application Guard for Office ...

See how Microsoft Defender detects and disrupts AI-themed phishing, malware, and multi-stage attacks across the attack chain.

Problems are stacking up for Microsoft this month, with each new day bringing yet another issue for the company. After users were hit by disastrous KB5074109 and KB5073455 updates that broke numerous ...