Best Free Antivirus: We look at the four best free anti-malware solutions on the market right now, updated with the latest results in September 2017. Antivirus might not be as vitally important to your online safety as fear-mongering security firms might have you believe, but for those who want to surf the web worry-free, it’s always a good idea. And with so many decent free options available, the choices buy antivirus 2018 never been wider. Here, we look at Windows 10’s built-in Defender and three of the best alternatives.
Did not find what they wanted? Try here
Detection engines The key part of any antivirus software is its detection engine. Such engines use a vast library of data on known threats and compare it to the files on your computer and web pages to see if they look like, or behave like, threats. Modern antivirus software constantly monitors your PC and scans software, files and websites in real-time to detect potential threats, but you can still run manual and scheduled scans for extra peace of mind. By default, most AV programs run an optimised scan that checks the files most likely to have been compromised.
Windows 7 system with two 2. AV-TEST: A well-respected organisation that tests every major AV firm to their absolute limits. AV-TEST produces results based on protection, false positives and system performance impact. SE Labs: A UK-based antivirus testing firm that uses up-to-date threats found on the web at the time of testing. The company also tests for false positives. The test data we’ve used was collected between May and June 2017, using the most up-to-date versions of the antivirus software available.