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

Elevation of privilege flaw in Cloud Filter driver reappears, raising concerns over regression vulnerabilities in Windows.

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus ...

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