Spotlight on security: Why independent testing of anti-virus software is important - AV-Comparatives
Provides independent comparative AV tests and reviews of best antivirus security software for consumer and enterprise users, anti-malware products, apps and solutions for Windows, Android and macOS.
Professional labs have the resources to use large amounts of relevant malware, and test all the security features of multiple antivirus programs simultaneously, with equal conditions for all the tested products. They can also investigate usability of the tested products, that is whether they create a lot of false alarms or slow your computer down in daily use.
Some of the test labs even undergo strict audits by ISO to proof, that they are independent, and work together with Universities for scientific research to keep the test methodologies state of the art.
Now, are you sure you want to rely on the results of DIY testing to protect your computer?