After apologising during their E3 press conference, Sony have been rather silent on the whole issue, and who can blame them. Something like that happening to you isn't exactly the sort of thing you want to shout from the high hills.
Yesterday CNET reported that, in a press conference, Sony CEO Howard Stringer gave one small piece of good news after the hack:
"I'm pleased to tell you that the PSN is more secure and better than ever. We are aggressively expanding its content. We have more than 3 million new customers since the network came back online, and sales are exceeding what we had before the cyberattacks."
So 3 million new people signing up, sounds pretty good. Though it's possible a lot of those were people who forgot their account info and decided to just start up a new account. Also, this doesn't account for people creating accounts for foreign PSN store.
From the looks of things, Sony seems to be recovering well. Their overall silence doesn't really confirm or shoot down this idea, though I have to wonder how long it will take to fix their reputation.