Biggest Apple botnet discovered: 600K+ Macs infected

[Update 3: Is the number accurate? Why is this a big deal? What's the botnet doing?] Russian researchers have discovered a botnet of more than 600,000 Macs. Yes, Macs -- you know, those things that don't get malware. Apple (NASDAQ:AAPL) is coming under heavy criticism for its slow response to known vulnerabilities and for perpetuating the myth that OS X is malware-free. In IT Blogwatch, bloggers rush to grab the update. Not to mention: Almost gliding an Airbus into LAX...