2. Passwords

A password (or passphrase) is a secret string of characters (text, numbers, symbols) that confirms the identity of a user and allows access to devices, networks, or applications, and is known only to the owner of the password.

The purpose of a password is to protect personal or sensitive data so that only authorised persons can access protected information or functions. A password is the basic form of authentication in information systems.

A password such as "123456" or the name of a person, pet, etc., is very insecure because it is extremely easy to crack. It is recommended to use long and complex passwords, made with upper and lower case letters, numbers, and special characters, e.g., "MyDog!Like_2024".

Bilježnica na tipkovnici prikazuje primjere jakih i slabih lozinki uz plavi štit sa znakom provjere

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