In the last few years, people that are using Apple PCs started to feel rather more concerned about major Mac trojan pony which has been attacking lots of Mac computers all around the world.

Naturally, this can highly be possible if you got copies of software that are not real or sometimes called bootleg ones. While there are many reports about a few scattered OS X viruses, this trojan is thought of as the most damaging among those threats.

What is the best free antivirus for Mac?