More Than 600,000 Macs Infected With Flashback Botnet

How can this be? I could've sworn that Macs don't get viruses!?!? The company -- Dr. Web -- originally reported today that 550,000 Macintosh computers were infected by the growing Mac botnet. But later in the day, Dr. Web malware analyst Sorokin Ivan announced on Twitter that the number of Macs infected with Flashback had increased to 600,000, with 274 of those based in Cupertino, Calif.