What makes a good password?

Modified on Thu, 21 Aug, 2025 at 7:53 PM

Combine three random words to create a password that’s ‘long enough and strong enough’.


We recommend following the National Cyber Security Centre's guidance. 


Weak passwords can be cracked in seconds. The longer and more unusual your password is, the harder it is for a cyber criminal to crack.


A good way to make your password difficult to crack is by combining three random words to create a password (for example applenemobiro). Or you could use a password manager, which can create strong passwords for you (and remember them).


Avoid the most common passwords that criminals can easily guess (like ‘password’). You should also avoid creating passwords from significant dates (like your birthday, or a loved one’s), or from your favourite sports team, or by using family and pet names. Most of these details can be found within your social media profile.


If you’re thinking of changing certain characters in your password (so swapping the letter ‘o' with a zero, for example), you should know that cyber criminals know these tricks as well. So your password won’t be significantly stronger, but it will be harder for you to remember.




Tips for Creating a Unique Password (That’s Also Strong)


The UK’s National Cyber Security Centre (NCSC) recommends a practical, user-friendly approach:


1. Use Three Random Words

  • Create a password by combining three random, unrelated words.
    • Example: Zebra-fish-biro
  • This makes it long, strong, and memorable.

2. Avoid Predictable Choices

  • Do NOT use:
    • Personal info (names, birthdays, company name)
    • Common passwords (e.g., password123, qwerty)
    • Reused passwords across important accounts

3. Use a Password Manager

  • Platforms such as 1Password can help you generate random passwords for every website and keep them safe to avoid repeated use and quick access. 

4. Enable Two-Factor Authentication (2FA)

  • Add an extra layer of security for important accounts like email and banking.

6. Keep Passwords Safe

  • If you write it down, store it securely (not near your device).
  • Never share your password with anyone.

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