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The best antivirus software for Windows Home User

AV-TEST Product Review and Certification Report – Nov-Dec/2016
Version 2016
Platform Windows 8.1 (64 bit)
Report 164816
Date Nov-Dec/2016

Norton Security

During November and December 2016 we continuously evaluated 21 home user security products using their default settings. We always used the most current publicly-available version of all products for the testing. They were allowed to update themselves at any time and query their in-the-cloud services. We focused on realistic test scenarios and challenged the products against real-world threats. Products had to demonstrate their capabilities using all components and protection layers.


Protection against malware infections
(such as viruses, worms or Trojan horses)
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November December Industry average
Protection against 0-day malware attacks, inclusive of web and e-mail threats (Real-World Testing)
172 samples used
100% 100% 98.8%
Detection of widespread and prevalent malware discovered in the last 4 weeks (the AV-TEST reference set)
13,462 samples used
100% 100% 99.5%
Protection Score


Average influence of the product on computer speed in daily usage
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Standard PC Industry average High end PC Industry average
Slowing-down when launching popular websites
40 websites visited
37% 17% 32% 17%
Slower download of frequently-used applications
20 downloaded files
3% 8% 4% 4%
Slower launch of standard software applications
12 test cases applied
8% 19% 5% 12%
Slower installation of frequently-used applications
17 installed applications
31% 32% 15% 44%
Slower copying of files (locally and in a network)
8,199 files copied
9% 14% 3% 26%
Performance Score


Impact of the security software on the usability of the whole computer
(lower values indicate better results)
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November December Industry average
False warnings or blockages when visiting websites
500 samples used
0 0 0
False detections of legitimate software as malware during a system scan
1,269,257 samples used
2 0 2
False warnings concerning certain actions carried out whilst installing and using legitimate software
40 samples used
0 0
False blockages of certain actions carried out whilst installing and using legitimate software
40 samples used
3 0
Usability Score