Small, widely-dispersed botnets ought to do the trick
By Darren Pauli, 2 May 2014 Ignoring the manual and keeping your 'bot nimble are some of the tips a quartet of security researchers have recommended to help spam reach inboxes more effectively.
The recommendations were some of the findings in studies by a research group into the relationships between email harvesters, botmasters and spammers and the secrets of a successful spam campaign.
According to PhD researcher and Yahoo! contractor Gianluca Stringhini, spammers in the cybercrime market bought email lists and bot services from vendors who in turn provided manuals of how to use their wares to bomb inboxes more effectively.
But research by Stringhini and others found that spammers could significantly improve their campaigns by largely ignoring the manuals' recommendations and instead using a series of mathematical models they published
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