You are solely responsible for the activity that occurs on your Account, whether authorized by you or not, and you must keep your Account information secure, including without limitation your customer number/login, password, Payment Method(s) (as defined below), and shopper PIN. For security purposes, GoDaddy recommends that you change your password and shopper PIN at least once every six (6) months for each Account. You must notify GoDaddy immediately of any breach of security or unauthorized use of your Account.