The more you realize that someone is using your Suddenlink at 1-888-303-0802. Then you will not feel reluctant about it. The login is still in your hands. You can choose to change your password to protect your account.
If you do not know how to Suddenlink change your password via email, you can follow the steps given below.
Open the web browser, above you, will have to go to Suddenlink email from the search bar above.
From the login page, enter your username and password to log in to your account, click Next.
Go to your name in the top corner, click on "Settings" to find "Privacy Protection".
There you will see the option of "Change password", tap it. You must first start by entering the current password in the box.
In the second box, you will need to create a new password to ensure that it is strong this time.
Confirm the password by re-entering the third box. Click "OK".
And, with the Suddenlink password change mentioned above, you can protect your account. If you need assistance, feel free to contact customer service.