AV-TEST Product Review and Certification Report – Dec/2018

During November and December 2018 we evaluated 9 home user security products for MacOS High Sierra. We always used the most current version of all products for the testing. They were allowed to update themselves and query their in-the-cloud services. We focused on malware detection, false positives and performance.


Norton Security

PlatformMacOS High Sierra 10.13.3


Protection against malware infections
(such as viruses, worms or Trojan horses)

Industry averageIndustry averageDecember
Detection of widespread and prevalent malware discovered in the last 4 months (the AV-TEST reference set) 241 samples used 99.6%100%
Protection Score 6.0/6.0


Average influence of the product on computer speed in daily usage

Industry averageIndustry averageDecember
Slower download of frequently-used applications 91 downloaded files 1%0%
Slower launch of standard software applications 11 test cases applied 16%0%
Slower installation of frequently-used applications 159 installed applications 29%6%
Slower copying of files, locally and in a network 78 files copied 15%1%
Performance Score 6.0/6.0


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

Industry averageIndustry averageDecember
False detections of legitimate software as malware during a system scan 20,620 samples used 0 0
False warnings concerning certain actions carried out whilst installing and using legitimate software 50 samples used 0 0
Usability Score 6.0/6.0

Evaluation based on a point system

All products can achieve a maximum of 6 points each in the three categories of protection, performance and usability. This means 18 points are the best possible test result.
At 10 points or higher, a product is awarded the AV-TEST seal of approval. Additional details ›





All tested manufacturers – listed by year/month