China and U.S. tie as Internet attack source

A new report finds that China and the U.S. were home to the greatest percentage of Internet attacks during the first quarter of 2008. Akamai, which operates a global server network, said the most common attacks were associated with Microsoft Windows. The company also found many of the attacks came from "worms, viruses, and bots that spread across the Internet several years ago," and speculates that this might indicate that some of the attack traffic could be coming from "a large pool of Microsoft Windows-based systems that are insufficiently maintained, and remain unpatched.''
 
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- check out this cnet.com article