If you are having issues getting on to XBL (Xbox Live) or PSN (Play Station Network) take heart, your not the only one. According to detectordown this is the current shot of issues in the USA for XBL
A updated Account on what is going on can be found below
UPDATES OF DDS ATTACK by D. Wollman via Engadget
Summary: Lizard Squad is holding a DDS attack effecting the loging in and maintaining of the XBL and PSN Networks. Seen as a response to certain Movie like event in the last few days... but who knows.... maybe they are looking out for the children of the world and want them to go OUTSIDE and play some more. "ill be here all week"
More can be found below.
SANS Storm Center here
EA Sports Info on it Here