[Microsoft]Our protection metrics

ronjor · Nov 27, 2013

msft-mmpc

Last month we introduced our monthly protection metrics and talked about our September results. Today, we’d like to talk about our results from October. If you want a refresh on the definition of the metrics we use in our monthly results, see our prior post: Our protection metrics – September results.
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http://blogs.technet.com/b/mmpc/archive/2013/11/26/our-protection-metrics-october-results.aspx

ronjor · Dec 24, 2013

Re: [Microsoft]Our protection metrics – October results

Protection metrics – November results

ronjor · Jan 14, 2014

Re: [Microsoft]Our protection metrics – October results

Protection metrics – December results

msft-mmpc

As for our other protection metrics, our performance metrics were consistent, and although incorrect detections remained low, we picked up one more crafted file attack. This was a specially-crafted clean file designed to trick antimalware vendors into incorrectly detecting a good program as malicious. This file raised our impact to 0.001 percent (or one in 100,000 in comparison to normal months where the impact closer to 1 in a 1,000,000). Along with improving our own processes to thwart these attack attempts on our systems, Dennis Batchelder and Hong Jia gave a presentation on this attack technique at VirusBulletin to help other vendors (from our data, we could see that there were several vendors who also appeared to be targets) discover and prevent these attacks from affecting customers
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https://blogs.technet.com/b/mmpc/ar...metrics-december-results.aspx?Redirected=true

Dermot7 · Apr 17, 2014

It's been a few months since our last post on our metrics. I wanted to give you an update on families that are declining, new ones that are moving in, and on the way we're calculating our protection metrics to make them more accurate.
Overall, our infection impact (0.29% for January to March) has remained consistently low since December. A few families have declined, but others have moved into their place. Our incorrect detections have stayed under 0.001% and our performance metrics remain fairly consistent.
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http://blogs.technet.com/b/mmpc/arc...etrics-trends-first-quarter-2014-results.aspx

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[Microsoft]Our protection metrics

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