To keep your Cash app account locked, you have need to set a password and remember it for future. One thing also keeps in your mind, never go to share it with anyone. Once, you share your user’s credentials with anyone, then there are more chances to get it hacked. If you forget your password, then restore it via opting Forget Password. If you unable to get it, then use Cash app phone number. https://www.dellsupportme.com/cash-app-support-number/