How can I stop Tesco Bank save my online 3-digit security code

It may have something to do with an update of firefox, but I just noticed that Tesco Bank are save my security number 3-digit (CVV) online. He appears as a 3-point and I just click on submit. Tesco customer services advises that it has to do with my browser? Can you help me?

Many browsers and Firefox have a password manager.

Type of topic: preferences in the address bar and press on Enter.

Select Security. Under the passwords, select Save.
To check the passwords that you have listed, press the saved passwords.

Tags: Firefox

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