Revealing Social Networks of Spammers
نویسندگان
چکیده
Spam doesn't really need an introduction—anyone who owns an email address likely receives spam emails every day. However, spam is much more than just an annoyance. Spam's hidden economic cost for companies in wasted storage, bandwidth, technical support, and most important, the loss of employee productivity, is astronomical. The annual cost of spam for a company with 12,000 employees is approximately $2.4 million, according to a study conducted by Windows & .NET Magazine in 2003 [1]. Since then, the amount of spam received has only increased. According to estimates from MessageLabs, over 80 percent of emails received from 2005 to 2008 were spam [2].
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