An anonymous reader writes "Of the 42,000 Internet Service Providers (ISPs) surveyed, just 20 were found to be responsible for nearly half of all the spamming IP addresses — and some ISPs have more than 60% of compromised hosts, mostly in Asia. Phishing Bad Neighborhoods, on the other hand, are mostly in the U.S. Also, there is a silent ticking 'spam' bomb in BRIC countries: if India would have the same Internet penetration rate as the United States while keeping its current ratio of malicious IP addresses, we would observe 200% more spamming IP addresses worldwide. These are just few of the striking results of an extensive study from the University of Twente, in The Netherlands, which scrutinizes the Internet Bad Neighborhoods to develop next-generation algorithms and solutions to better secure networks."
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