Slide Show: The Year In Data Theft

From healthcare to game companies to trusted third-party security companies, a number of significant breaches were reported in 2011
Data breaches came into their own in 2011. While prior years had a single large data breach -- such as the theft of card data from Heartland Payment Systems or TJX -- this year saw a number of important, if not particularly massive, breaches.

From the attack on Sony that brought down the PlayStation Network for nearly a month, to theft of SecurID information from security firm RSA that put other companies at peril, the attackers broke new ground in 2011.

In total, more than 30 million records were lost or stolen to date, according to the Privacy Rights Clearinghouse.

Here are the top 10 breaches this year, ordered by date:

Slide Show: The Year in Data Theft
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Slide Show: The Year in Data Theft

Editors' Choice
Jai Vijayan, Contributing Writer, Dark Reading
Kelly Jackson Higgins 2, Editor-in-Chief, Dark Reading