A good antivirus should protect you virtual boardroom software from all forms of malware such as worms, Trojan horses and ransomware. It should also detect and stop the spread of potentially unwanted programs, which could alter your browser settings or fill your screen with ads. Certain premium antiviruses provide additional features like dark web monitoring, ID theft alerts and parental control.

If you’re a Windows user, Microsoft’s built-in malware protection known as Windows Defender on older computers or Windows Security on newer machines is able to do well in keeping your computer safe. It’s not as efficient or fast at detecting malware like standalone antivirus brands that regularly score highly in independent lab testing. It doesn’t have any extra security features like password managers or software for other devices.

Bitdefender Antivirus Free Edition is the best antivirus available for Windows built on the principle of malware prevention impact on systems, ease of usage. It is easy to install and run and scored high in the AV Test labs. It protects one PC at a low cost, however for a few more dollars you can get more comprehensive protection with Bitdefender Total Security and Antivirus Plus.

A good antivirus suite that is paid typically bundles in plenty of extras, such as the use of a VPN and tools for optimizing performance and applications for Mac, iOS and Android. If you want to stick with the basics and just get the most effective malware protection, Sophos Home Premium is an excellent choice. It comes with a few additional features for an affordable price.