Data Security

Connecticut, Illinois and Florida launched a joint investigation of eBay's security practices.

A laptop was stolen that contained personal information on about 5,500 staffers with and clients of Oklahoma-based benefits broker Maschino, Hudelson & Associates.

Another 3,500 L.A. County health services patients have been impacted in the February theft of eight computers from Sutherland Healthcare Solutions, bringing the number of individuals impacted in L.A. to about 340,000.

Following a Wednesday breach announcement, an alleged dump of more than 145 million eBay user records has gone up for sale.

Without insight into third-party liabilities and expenses, Target's interim CEO told CNBC that the retailer still doesn't know the cost of last December's data breach.

A Trustwave report also found an uptick in the theft of non-payment card data and that the U.S. hosted 42 percent of the malware it investigated.

About 6,500 current and former employees of the American Institutes for Research are being notified that their personal information was on a server that was hacked.

All eBay users are being asked to change their passwords after attackers gained unauthorized access to a database that stored their information.