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 ...

Overview On April 15, NSFOCUS CERT detected that Microsoft released the April Security Update patch, fixing 165 security issues involving Windows, Microsoft Office, Microsoft SQL Server, Microsoft ...

A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...

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

Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.

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

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 ...

Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...

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 ...

‘We’re going through this transformation where [Sentinel is] and will always be a SIEM, but now it's a broader security platform,’ a Microsoft executive tells CRN. Microsoft is unveiling an array of ...

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