The Microsoft Defender Security Research Team has confirmed that a pervasive new authentication code attack is compromising hundreds of organizations daily.

A global phishing campaign targeting Microsoft 365 bypasses security codes using a legitimate login feature, impacting ...

Microsoft fixes 167 bugs in April Patch Tuesday, including critical and zero-day vulnerabilities affecting Windows and Office ...

Critical154Important1Moderate0LowMicrosoft addresses 163 CVEs in the April 2026 Patch Tuesday release, including two zero-day ...

Microsoft is rolling out enhanced security tools and account management features to help users recover access after losing a device and to strengthen privacy controls. Guidance from experts stresses ...

Microsoft released security patches for 31 vulnerabilities across Windows, Office, and Azure, including two actively exploited zero-day flaws. PCWorld reports that critical vulnerabilities affect ...

As security researchers warn about a dangerous Microsoft Windows update that isn’t legitimate, users must pay close attention ...

Today is Microsoft's July 2025 Patch Tuesday, which includes security updates for 137 flaws, including one publicly disclosed zero-day vulnerability in Microsoft SQL Server. This Patch Tuesday also ...

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...

Today is Microsoft's January 2026 Patch Tuesday with security updates for 114 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities. This Patch Tuesday also ...

Confused by a Microsoft error code? Learn about system, update, HTTP, and Azure-related codes, what they mean, and how to fix ...

Microsoft Authenticator Flaw on Android, iOS Could Leak Login Codes for Millions Your email has been sent A newly discovered vulnerability in Microsoft Authenticator could expose sensitive login codes ...