A class action lawsuit has been filed against a hospital company and a business associate for an insider breach that affected more than 82,000 individuals. The suit alleges patients didn't get the privacy protections they "paid for."

Hackers have been stealing the secret trading algorithms that are the lifeblood of many hedge funds and high-frequency trading firms, according to two security companies. What can be done to mitigate the risks?

A willingness to compromise expressed at a House hearing on President Obama's cyberthreat information sharing initiative offered a sign of hope that legislation to get businesses to share such data could pass Congress and be signed into law.

Target's breach-related expenses not covered by insurance have totaled $162 million so far, its latest financial report shows. And experts say the breach could continue to have a financial impact for years to come.

Authorities have disrupted a botnet that was serving up the Ramnit banking malware, which has infected 3 million PCs worldwide. But information security experts warn that the disruption will likely be temporary.