"Earthlink and WebRoot Software have completed a quarterly spyware audit, documenting the current malware plague:
Results from the report, which tracked the growth of spyware on consumer PCs since the report's inception on January 1, 2004, show the instances of system monitors rose 230 percent, while the instances of Trojans rose 114 percent from October 2004 to December 2004. Trojans, keystroke loggers and system monitors are capable of capturing keystrokes, online screenshots, and personally identifiable information like your social security number, bank account numbers, logins and passwords, or credit card numbers. "
http://finance.lycos.com/qc/news/story.aspx?story=46604321