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The best antivirus software for Windows Home User

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

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

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
6.0/6.0

Performance

Average influence of the product on computer speed in daily usage
More information

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
5.5/6.0

Usability

Impact of the security software on the usability of the whole computer
(lower values indicate better results)
More information

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
5.5/6.0