Windows 8 defeated 85% of malware out of the box

Leaked Media Defender e-mails reveal secrets

Windows Defender 7.0

Windows Defender picked apart

Webroot: Vista's Defender stops 16% of 25 Spyware Samples

Windows Defender Final Available

Windows Defender Beta 2 Update

Microsoft Releases Windows Defender Beta 2

Microsoft AntiSpyware becomes Windows Defender

Robin Hood: Defender of the Crown updated demo

Robin Hood: Defender of the Crown screens

Defender Ships for Xbox

Robin Hood: Defender of the Crown testers wanted

Defender Announcement & Screens