EA uses your network credentials to login to Box. Continue to login to Box through your network.
If you are not a 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