When comparing ClamXav vs F-Secure, the Slant community recommends F-Secure for most people. In the question“What is the best antivirus software for the Mac OS?” F-Secure is ranked 7th while ClamXav is ranked 10th. The most important reason people chose F-Secure is:
Full scan seems very thorough compared to other antivirus/malware software.
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Pros
Pro Monitor directories easily
The Sentry Feature monitors specific directories 24/7 as well as removable media which includes USB & external drives, all those .dmg files you open when installing apps etc. I add all directories that files are downloaded as a "screening" process.
Pro Lean
Not overly invasive or processor hungry as other antivirus programs
Pro Good malware detection
Full scan seems very thorough compared to other antivirus/malware software.
Pro Intuitive UI
All the tools are accessible within the one app versus some of the competitors where they have separate apps for each tool.
Pro A trial version is available
30 day from date of first installation / launch of f-secure.
Cons
Con Does not monitor or protect ram memory
Con Can't quarantine malware
For real-time or manual scanning, if F-Secure finds something, it will move suspicious files to the trash, not ideal.
Con Firewall gives false sense of security
The firewall f-secure includes only has two options, allow all and block all. Non tech savvy people may think they are protected more than they really are because the word "Firewall" is somewhere in the software dialogue.
Con Browser extension uninstallable
To uninstall the browser extension you have to completely uninstall f-secure.