On the other hand, affected users should be sure tochange the password of any other online accounts that share a password with their Playstation Network account.
Yesterday it emerged that Last Pass, a service that syncs with browsers to let you control a variety of passwords with one master password, had asked its userstochange their master passwords after discovering a potential breach to its database.
Those include vulnerability to denial of service attacks, which overload servers with thousands of simultaneous requests for data, as well as basic hacking tactics like guessing the password of users who fail tochange default settings.