http://www.macrumors.com/2011/12/16/widespread-itunes-and-icloud-apple-id-outage/

For me I can't log in to iTunes Store, as well as iTunes Connect. I have two accounts and both cannot work.

on http://developer.apple.com/ click member center lead to

Sorry, can not authenticate because:
Fatal internal error occurred

Same here

Fine here ^-^;

Yup working again here now also