In the post, Seybold states that all credit card information stored by Sony is encrypted, and that "there is no evidence at this time that credit card data was taken." Additionally, even if credit card data was retrieved, Seybold states that Sony did not store credit card security codes (CVC numbers).
In regards to Sony's current plans, it is currently "working closely with a recognized technology security firm and law enforcement in order to find those responsible for this criminal act no matter where in the world they might be located," and still plans to have "some services" back online within a week from yesterday.
The full Q&A is on the PlayStation Blog.
Apr 28, 2011