Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by ...

Federal civilian agencies across the United States face a two-week sprint to fix two Microsoft Defender vulnerabilities that ...

Every federal civilian agency running Microsoft Defender now faces a two-week countdown to fix two actively exploited ...

Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why.

Microsoft fixed a Defender false positive that flagged legitimate DigiCert certificates as malware, disrupting Windows trust stores for some IT teams.