Spammers Use 'Disposable' Domains to Prevent Shutdowns

Spammers and botnet operators have been reported as using disposable domains for their activities to evade security technologies.

According to research by security firm M86 Security Labs, spammers are buying dozens of domains at a time and moving from one to another as often as several times a day to avoid getting shut down. For years, spammers have been buying domains in bulk and using them for both redirections to other sites and for locations to set up quick e-commerce sites. Anti-spam services and email filters usually use static lists of known malicious domains, or ones known to be used by spammers.

According to Kaspersky, that initial approach worked well in the fight against spam; lately, however, spammers have begun using more devious and effective tactics. The new M86 research looked at 60 days worth of data from M86 customers and found that more than 70 percent of the domains used by spammers are active for a day or less

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