Postini: Research Points to Increased Directory Harvesting

Researchers at security software maker Postini said the company detected a significant increase in the number of corporate directory harvesting attacks launched during August 2006.

According to Postini’s monthly Message Security & Management Update, DHAs (directory harvest attacks), through which criminals attempt to make off with entire corporate e-mail account listings, increased by 30 percent compared with July 2006.

E-mail account data acquired in these attacks is typically then used to launch spam or virus attacks aimed at the servers of companies whose information has been stolen.

Postini, a messaging security specialist based in San Carlos, Calif., reported that it expects to see even more of these directory-oriented attacks now that the summer vacation months have ended in the United States and Europe.

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