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Statistical spam filters are known to be vulnerable to adversarial attacks. One of the more common adversarial attacks, known as the good word attack, thwarts spam filters by appending to spam messages sets of " good " words, which are words that are common in legitimate email but rare in spam. We present a counterattack strategy that attempts to(More)
Statistical spam filters are known to be vulnerable to ad-versarial attacks. One such adversarial attack, known as the Good Word Attack, thwarts spam filters by appending to spam messages sets of " good " words, which are common in legitimate e-mail but rare in spam. We present a counterattack strategy that first attempts to differentiate spam from(More)
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