Botnet Blight: Hacked PCs create 83.2% of spam - InternetNews.com

Spammers continue to innovate, grow and become more sophisticated, with their networks of spam-spewing compromised PCs now accounting for an overwhelming majority of all spam on the Internet.

In a new report, Symantec's MessageLabs unit reported that botnets (define) now account for 83.2 percent of all spam, and that a recent crackdown still shows that bot technology is improving...