Spammers Speed Up Domain Cycling To Stay Off Blacklists
Gregg Keizer writes on TechWeb News:
Spammers are cycling through their lists of product-pitching URLs faster than ever, McAfee Inc. said Wednesday.More here.
In August, major spam campaigns ran through 72 percent more domains per hour than the month prior, the Santa Clara, Calif. company said.
Spammers often use multiple URLs in their campaigns to avoid anti-spam blacklists, then change the embedded links as each batch of junk mail goes out. The dramatic increase in the number of different domains shows that spammers are stepping up their attempts to stay ahead of security defenses.