About three weeks ago, Apple’s Developer Center went down because of a hacker intruding into the Web site. Apple explained that little or no information was compromised because of secure encryption. Slowly but surely, Apple's Developer Center has been coming back online with improved security since the incident.
Apple has sent out an e-mail to developers with another update on the situation with the Developer Center:
Originally Posted by Apple
In addition, Apple is extending all developer memberships for an additional month to make up for the three-week period that the Developer Center could not be used by anyone. The extra time should give developers a chance to get back on track with their work without feeling cheated out of their subscription.
Sources: Apple via MacRumors