A University of North Carolina at Charlotte investigation into two breach incidents that were first reported Feb. 15 determined that 350,000 Social Security numbers, plus financial account numbers, were exposed.
News spread May 9 that information about more than 55,000 Twitter accounts had been leaked. But in a May 10 statement, the company said it was not breached, and the source of the leaked information remains unclear.
In this week's breach roundup, read about the latest incidents, including a Florida sheriff's office being hacked and a Houston hospital breach that may have led to the filing of fraudulent federal income tax returns.
Americans express a bit less anxiety about their security than they felt a year ago, perhaps because they've become desensitized by extensive news reports about cyberattacks last spring, says Unisys' Steve Vinsik.
Post-breach, organizations must have a full grasp on what happened - and convey that message consistently. Too often, that's not the case, says attorney Ronald Raether. What steps must organizations take?
Hacktivists associated with Anonymous have reportedly released sensitive information from the Lake County Sheriff's Office in Florida, including the names and personal phone numbers of SWAT team members.
Dollars lost of fraud are one measure of an incident's impact. But the "soft" costs - loss of reputation and productivity - are the ones that most get the attention of Terry Austin of Guardian Analytics.