The Tokyo-based company temporarily locked about 93,000 accounts whose IDs and passwords were successfully ascertained by the blitz. Sony sent email notifications and password reset procedures to affected customers on the PlayStation Network, Sony Entertainment Network and Sony Online Entertainment services.

Credit card numbers linked to the compromised accounts are not at risk, Sony said. It has "taken steps to mitigate the activity" and is investigating any wrongful use of the accounts themselves. Read more...