EA uses your network credentials to log in to Box. Continue to log in to Box through your network.
If you are not part of EA, continue to log in with your Box.com account.
EA has provided you with a Box account to store, share, and access your files online.
Please be aware of the account charge-back model in effect for EA users of Box.com. Your department will be charged according to the policy listed here: http://box.ea.com