A federal judge has ruled that a class-action lawsuit can be filed against Florida over the sale of personal driver's license information to a private firm.

The lawsuit claims the state, specifically the Department of Highway Safety and Motor Vehicles, improperly sold about 30 million personal records between 2005 and 2009 to Shadowsoft Inc., an Irving, Texas-based Internet marketer.

Shadowsoft then sold the information to other firms that target consumers.

An attorney representing the drivers told the South Florida Sun-Sentinel that the sales violate a federal statute banning the disclosure of personal information from driver's licenses.

Howard Bushman says addresses, dates of birth and possibly Social Security numbers were released.

The judge in Tallahassee ruled earlier this month that affected drivers can become members of the suit.

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