Sophos Anti-Virus for Mac Home Edition is a simple-to-use antivirus and malware product for the Mac. Based on the Sophos antivirus line, Sophos Anti-Virus for Mac Home Edition is free and designed for those who need coverage on their Macs, but don't want to spend a lot of time and money. Sophos Anti-Virus for Mac Home Edition is a download from the publisher, not available in the App Store when we tested.
Sophos Anti-Virus for Mac Home Edition lets you tailor the way it behaves to some extent. It can work quietly in the background, taking care of most threats transparently, or it can let you know what it is doing and get your input and decisions. Automatic isolation, cleaning and quarantining of viruses is based on regular software updates to download new signatures, and the process worked well. You can force a scan of your system at any time, or you can let Sophos Anti-Virus for Mac Home Edition sit in the background and monitor quietly.
In testing we threw a few known malware and virus files at Sophos Anti-Virus for Mac Home Edition and it caught them all cleanly. The publisher has a reputation for being current with virus signature files so being caught by surprise will not be an issue if you let the software update itself regularly. Considering the free price tag, there's no reason not to use Sophos Anti-Virus for Mac Home Edition.