Hundreds of Stolen Data Dumps Found

A comprehensive new study that peers into huge troves of financial data stolen by cyber thieves confirms what experts have surmised from looking at much smaller, isolated caches of digital loot: That criminals can make hundreds, even thousands, of dollars a day selling data stolen with the help of widely available software toolkits.

Recent reports by security firms Finjan, RSA, SecureWorks and Symantec have shown that stolen identities, bank accounts and credit card numbers are sold in bulk every day in shadowy online forums, often for pennies on the dollar. In its analysis, Symantec found in 2007 that the going rate for the keys to assuming someone else's identity was between $14 and $18 per victim.

Those reports either presented conclusions based on examining a single cache of stolen data, or by observations based on watching transactions between cyber thieves. But a report released today by researchers at the University of Mannheim, Germany, offers a disturbing glimpse at the sheer abundance of this stolen data.

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