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What is a password? Simply explained

  • Oct 30, 2025
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You can protect your user account online or on your computer, smartphone or tablet with a password. In this article we will explain to you in an easy and understandable way what a password is.

Password - thats behind the difficult code

On the Internet and on the computer you use user accounts and have to set a password for them:

  • The password, in combination with your user name, then gives you access to your user account. Either you can freely choose the username or it is your email address. However, you can almost always determine the password yourself.
  • Usually a password must consist of at least eight characters. Sometimes special characters, numbers and capital letters must also be used. The password is a secret password that you use to verify yourself and gain access to your data. For example, you can shop on Amazon after entering the password.
  • By combining numbers, special characters and lower and upper case letters, your password becomes more secure .
  • You can also protect your user account on your PC (Windows) or Mac with a password so that no stranger has access to it.
  • On a smartphone or tablet, the password is often replaced by a PIN (a four-digit number sequence) or a swipe gesture. With newer models, verification is now often done using a so-called Face ID , i.e. facial recognition.
What is a password? imago images / photo library

In the next article we will show you the safest screen locks for Android .

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