Password Security
Learn how strong passwords protect digital accounts, understand the qualities of a secure password and practise evaluating password strength.
What you will learn
Interactive Password Strength Checker
EXERCISE 01 · BEGINNERHow strong is your sample password?
A strong password makes it harder for someone to gain unauthorised access to an account. Use the checker below to understand five important password strength criteria.
Security reminder: Never enter a real password or a password you use for an actual account. Use a made-up practice password only.
Password security checklist
Key takeaway
Use long, unique passwords for different accounts. A password manager can help you create and store them securely. Enable multi-factor authentication wherever possible. Meeting all five checklist criteria is a useful starting point, not a guarantee that a password is completely secure.