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What Is a Password and Why Does It Matter?

A simple guide for younger children explaining what passwords are and why they help keep you safe.

A password is your secret key — share it with your parents, but keep it safe from everyone else.

A password is like a secret code that only you and your grown-ups know. It keeps your games, apps, and accounts safe so that nobody else can get into them. This page explains what passwords are, why they are important, and how to make a good one.

What Is a Password?

A password is a special word, phrase, or set of letters and numbers that you type in to open your account. Think of it like a key to a locked door — without the right key, nobody can get in. Passwords stop other people from getting into your games, messages, and schoolwork.

How to Make a Good Password

A good password is hard for other people to guess. Try putting three silly words together, like 'BluePenguinSocks'. Do not use your name, your birthday, or your pet's name — those are easy for people to guess. Ask a parent or carer to help you choose a strong one and write it down somewhere safe at home.

Who Should Know Your Password?

Your parents or carers should always know your passwords — that is a safety rule, not a trick. But your friends should not know them, even your best friend. If someone at school asks for your password, say 'No, that is private.' If you think someone else has found out your password, tell a grown-up so they can help you change it.

If you ever need someone to talk to, you can call Childline for free on 0800 1111.

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Last reviewed: 2026-03-29