Popular security utilities for OS X put to the test

Even though the prevalence of threats for the Mac remains relatively minimal, malware on OS X has raised its ugly head a bit in the past few years. Some in the Mac community have been affected by threats such as the Flashback malware, DNSChanger, and the MacDefender Trojan, among others. As a result, while the most effective way of keeping a Mac secure is to follow safe browsing and computing practices, you may also be considering using anti-malware utilities. But which ones perform best?