Hey @Crg10Aly if someone has changed your account details then your best bet is to speak with one of our phone or chat support advisers who will be able to advise you further. 

You can contact our live support at help.ea.com.  

To request a callback or speak with a chat adviser:

Click on your product Origin

Then select 'PC

Manage my Account'

Can't log in

Finally, you can choose to receive a callback or begin a chat.

Darko