It costs cybercriminals five times as much to pull off a targeted attack than a mass attack, but a targeted attack yields 10 times the profit, according to data in a report published by Cisco Systems today.
New research from Cisco's Security Intelligence Operations (SIO) illustrates a dramatic rise in targeted attacks and the corresponding decline of wide-net, mass attacks: While there have been half the number of mass email-borne attacks this year than last, targeted, personalized attacks have tripled in the past year. The bad guys made more than $1 billion a year ago via mass email-borne attacks, and about $500 million as of June 2011.
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