Microsoft says an Exchange Online issue that mistakenly quarantined legitimate emails last week was triggered by faulty heuristic detection rules designed to block credential phishing campaigns.

Microsoft is sounding the alarm, and this time, the warning hits home for everyday users. Hackers are now turning Microsoft Teams security threats into real-world dangers that go far beyond corporate ...

UAB IT is implementing a new measure to protect Teams meetings from unverified external participants. Beginning June 13, 2025, UAB IT will add verification checks for anonymous and unverified external ...

Microsoft has been steadily reframing its identity from software giant to security-first cloud platform. Recent changes ...

Today is Microsoft' 2026 Patch Tuesday with security updates for 58 flaws, including 6 actively exploited and three publicly ...

Microsoft is improving protection against malicious files and links in Microsoft Teams, a problem that has been growing lately. According to a Microsoft 365 Message Center alert, users will start ...

This article was originally published in German at Computerwoche. Microsoft Teams continues to gain ground as a business collaboration tool, in part because Microsoft has tied the meeting and ...