A year ago, the government said the personal information of millions of employees and others was stolen by hackers. Federal officials say they've boosted cybersecurity, but there's more work to do.
Experts say code used by hackers in recent attacks on banks appears to be the same as code used in an attack on Sony Pictures which the FBI says was carried out by North Korea.
As health care increasingly moves from hospitals and doctors' offices to the home, patient medical data become more vulnerable to hackers. Dartmouth College researchers hope their product will help.
Fred Kaplan, author of Dark Territory, traces the history of cyber defense into the current heated debate between the FBI and Apple over the encryption of the iPhone.
The contest is only for "vetted hackers," the Department of Defense says, which means that anyone hoping to find vulnerabilities in its systems will first need to pass a background check.
The criminal ring stole the personal data of more than 100 million people, the federal indictment says, adding that the targeted companies include "one of the world's largest financial institutions."
Security analysts say the huge data dump may include the account details of more than 30 million users of AshleyMadison.com and its companion site EstablishedMen.com
Federal authorities say hackers from Ukraine and securities traders in the U.S. teamed up to steal more than 150,000 confidential press releases before they became public information.