Thanks, i agree always use a strong password, do not recycle password or use same password on multiple sites and if 2FA/MFA option is available always use it.for authenticator app i recommend Authy.
You will have to sign into your account, Click on Profile, click on the link near the top to update your credit card number and address, Click on Register. Your new credit card number, the last part of it, will then be displayed in the Autopay info....