The full extent of the breach couldn't be determined, one of the people said. It wasn't immediately clear if cardholders have been hit by fraudulent transactions.
Representatives of Atlanta-based Global Payments, a so-called third-party processors of payment cards, including debit cards, credit cards, and gift cards, couldn't be reached for comment. More...
Security experts testifying to the Senate Armed Services Subcommittee said the penetration was likely so complete that attempts to curb it should stop.
Instead, cyberdefence should be about protecting data not controlling access.
The experts said the US should look into ways to retaliate against nations that had access to its networks.
In an open session, experts from the US National Security Agency and government labs said America had to change the way it thought about protecting Department of Defense (DoD) computer networks.
"We've got the wrong mental model here," said Dr James Peery, head of the Information Systems Analysis Centre at the Sandia National Laboratories. "I think we have to go to a model where we assume that the adversary is in our networks." More...
None of the attacks caused significant damage, but they were part of a spike in hacking attacks on networks and computers of all kinds over the same period. The department recorded more than 50,000 incidents since October, about 10,000 more than in the same period a year earlier, with an incident defined as any intrusion or attempted intrusion on a computer network. More...
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