Malicious code attacks over instant messaging networks are up almost 80 percent over last year, according to a new study from vendor Akonix. In July, the company, which develops IM hygiene and compliance appliances and services, said it uncovered 20 malicious code attacks over IM in July. The total number of threats for 2007 so far is 226, the company said. That number is a 78 percent increase over the last year.

The company also said attacks on peer-to-peer networks, such as Kazaa and eDonkey, increased 357 percent in July 2007 over July 2006, with 32 attacks.

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