Cludge writes "ZDNet has a story (and several related articles) about how Symantec has discovered evidence of an all-Mac based botnet that is actively involved in a DOS attack. Apparently, security on the exploited Macs (call them iBots?) was compromised when unwary users bit-torrented pirated copies of iWork 09 and Photoshop CS4 that contained malware. From the article: 'They describe this as the "first real attempt to create a Mac botnet" and notes that the zombie Macs are already being used for nefarious purposes.'"

Read more of this story at Slashdot.