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Pastimes : Nigerian Scam Baiting - Let's Discuss the Modalities

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From: S. maltophilia	6/21/2012 2:47:22 PM
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Are Nigerian scammers crazy e-mails actually very clever? An analysis from Microsoft Research suggests that Nigerian scammers need to sound as ridiculous as possible, so that only the most gullible will reply to them....... news.cnet.com The Microsoft research paper: Why do Nigerian Scammers Say They are from Nigeria? Cormac Herley Microsoft Research One Microsoft Way Redmond, WA, USA cormac@microsoft.com ABSTRACT False positives cause many promising detection technologies to be unworkable in practice. Attackers, we show, face this problem too. In deciding who to attack true positives are targets successfully attacked, while false positives are those that are attacked but yield nothing. This allows us to view the attacker’s problem as a binary classification. The most profitable strategy requires accurately distinguishing viable from non-viable users, and balancing the relative costs of true and false positives. We show that as victim density decreases the fraction of viable users than can be profitably attacked drops dramatically. For example, a 10× reduction in density can produce a 1000× reduction in the number...... research.microsoft.com

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