Skip to content

Security and privacy

PIN

Abbreviation for personal identification number

In short and in plain language

A PIN is a secret row of digits.

You use it to sign in on a device or with a card.

You need it for a bank card or the card in your phone, for example. You may also need it at a home charging point for an electric car.

Definition
A PIN is a secret sequence of digits for signing in on a device or with a card. You come across it with a bank card, the SIM card in a phone or at a wallbox.