Gone are the days when Apple's Mac OS desktop operating system was considered safe without an anti-virus solution, Mac OS specific malware threats are already in the wild and having an software security solution is demand of the time. Leading computer security vendor Kaspersky has predicted the demand and released "Kaspersky Antivirus 2011 For Mac" - Kaspersky Antivirus Scanner for Mac is designed to protect against all types of malware. The anti-malware scanner will not only detect and remove Mac viruses but also non-Mac viruses using an automatically updated malware database, when not scanning the software will not use any CPU resources ensuring maximum performance.
If you think you don't need an anti-virus software for Mac then you might regret your decision taking chances with your data and privacy, although very limited but there exist viruses for Macs and to get protection from these baddies you need an Anti-virus solution, luckily like Windows there are quite a few good free anti-virus software's available for Mac OS X, PCTools iAntiVirus and ClamXav are two such free solutions for your Mac computer.
PCTools iAntiVirus is very simple to use with minimal options, the free software provides efficient real-time protection with automatic smart-updates.