Would you put your trust in a Microsoft-run antivirus product? Leave your opinion in the TalkBack section below. Meanwhile, I'm sufficiently impressed by MSE in operation to give it a more in-depth workout on multiple systems here. If it has any weaknesses, expect to see them heavily publicized.

You can bet that the beta release will be seriously tested by independent labs and especially by Microsoft’s for-profit competitors in the coming weeks. How light is it Is it a fairly stable beta jebuchanan June 25, 2009, 8:02pm 42. In the most recent round of tests from the independent ICSA Labs, Microsoft’s technology passed, while McAfee’s VirusScan family joined several smaller competitors on the FAIL list. Microsoft Security Essentials (Codename 'Morro') Learn about Computer Security. And on the crucial measure of delivering the fewest false positives, Microsoft stood far ahead of the pack, delivering the fewest false positives of any program tested.

Microsoft’s technology scored second in the accuracy ratings, behind AVIRA but ahead of AVG, Symantec, McAfee, and a dozen other products. Only 3 of the 16 products in the test earned that rating. A new study (May 2009) by the independent AV-Comparatives group gave Microsoft OneCare (which shares the same engine and signatures as MSE) its highest (Advanced+) rating. How good is the coverage? Microsoft scored dismal test results in the early days of OneCare, hitting a nadir in 2007, but its record has improved dramatically since.

Microsoft securityessentials