An anti-malware suite from Microsoft for Windows XP, Vista and 7. Introduced in September 2009, Microsoft Security Essentials (MSE) replaced Microsoft's antivirus subscription service (see Windows ...

Microsoft Security Essentials 4.0 does a decent job protecting a clean PC, but in testing its cleanup of already-infested systems wasn't thorough. You can get better protection for the same price.

Windows 11 is a “huge, huge win” on security because it sets a far stronger baseline through a number of adjustments, said David Weston, Microsoft’s director of OS and enterprise security ...

Intel’s eighth-gen chips and up enable optimal performance for virtualization-based security, which is automatically turned on in Windows 11, Microsoft’s director of OS and enterprise security ...