The PlayStation Network continues to be out, with Sony working “around the clock” to get it back up and running, but expect it to take two to five days.
According to PSXExtreme regarding the downtime:
We’re not sure if anyone bothered to call Sony, but when we did so, we were given an estimate: the PSN would be back by Tuesday evening at the earliest or next weekend at the latest. We have no doubt that Sony is working hard to get this resolved but to some, this downtime might be tough to follow.
According to SCEA Sr. Director of Corporate Communications Patrick Seybold they need to “rebuild the system”:
“We sincerely regret that PlayStation Network and Qriocity services have been suspended, and we are working around the clock to bring them both back online. Our efforts to resolve this matter involve re-building our system to further strengthen our network infrastructure. Though this task is time-consuming, we decided it was worth the time necessary to provide the system with additional security.”