The greatest threat to global cyber security today, according to Internet Security Systems researcher Josh Corman, may be your mother's computer.Or more precisely, the collected computers of all the world's mothers. Along with millions of other out-of-date and unsecured PCs strung together by the Internet--what Corman calls "the leper colony"--those machines represent a combined mass of computing power responsible for most of the Net's spam e-mails, much of its click fraud, and the vicious "denial of service" attacks that can knock sites offline and even destroy online businesses altogether. (more)
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