Study: IM threats zooming up

CNET News.com: "The number of threats targeting instant messaging has soared, according to IMlogic, which tracked a 1,500 per cent increase in the past year.
IMlogic's Threat Center said its data showed that huge increase in malicious code aimed at IM services between October 2004 and October 2005. Of these, 87 percent of unique IM-targeted attacks were worms, 12 percent were viruses and one percent was client vulnerabilities, according to the research.
Very few of the attacks have caused serious damage, according to IMlogic. However, an unlucky 13 companies on the Fortune 50 have been hit with an IM-related security incident in the past six months, said Francis De Souza, CEO of the company, which provides products to protect messaging systems against attacks. He cited one instance in which 10,000 desktops were taken out. "