How secure is Windows Defender?

54,755 pts.
Tags:
Antivirus
Windows 8
Windows Defender
I'm looking to get Windows 8 specifically but I want to know how secure is its antivirus (Windows Defender)? Here are some of the questions I have:

 How much can I trust windows defender? Is it better than regular AVs like Kaspersky/AntiVirus? Any help you can give me would be much appreciated.

ASKED: November 27, 2013  7:53 PM
UPDATED: November 29, 2013  1:26 PM

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  • TomLiotta

    It scores reasonably well at various testing sites, but not the best. But, in my opinion, it shouldn't be used except as a temporary measure until installing a dedicated solution from a good 3rd-party vendor.

    Microsoft should not be in the business of supplying protection software in competition with independent companies. Instead, Microsoft should focus on providing open access to 3rd-party vendors for protection and on fixing issues that can be exploited by malware.

    Every usage of the MS product is one less usage for 3rd-party products. That reduces the usage information that is available to others outside of MS. 3rd-party vendors rely on reports from customer installs to track effectiveness of their products and to track infections. As the information is reduced, the competition is weakened.

    There is some point where weakness becomes critical for all users of MS products. We're far from that point, but it should be a factor in long-term decisions. The strength of 3rd-party competitors affects how well we all can work in MS environments.

    Tom

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  • bhannah
    Nothing finds everything.  I believe in a layered defense of my system and my network.  I have to agree with TomLiotta's thouights.  I have been burned both Kaspersky and Windows Defender missing viruses that they should have caught and missed.  I then had to spend several days removing the virus off the PC using other means.  What I will say though, is find something works for you.
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