In addition, WebRep clients are installed to Safari, Chrome and Firefox browsers in an automatic manner. It offers three protection shields and on-demand scanning. This antivirus is based on a central virus-scanning daemon and requires 128MB of RAM, and 750MB of disk space. It is currently being used by more than 400 million people worldwide, and third-party tests done in 2016 have shown a malware detection rate of 99.5%. Developed by Czech company Avast Software, it has been available in 43 languages since 1988. Avast Security for MacĪvast software is the most popular and, for many, the best antivirus for Mac. Here below is a description of best free and most popular Mac antiviruses in 2021. Therefore, it is a good idea to take prevention. However, today’s user must protect himself not only against viruses but also against identity and money theft. Mac OS X is considered one of the most secure operating systems.