Password guides
What you need to know to protect your accounts, with figures you can check and no scaremongering.
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How to create a strong password
The rules that matter, the tricks that no longer work and a plan to put it into practice.
Updated . 7 min read.
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How long it takes to crack a password
A table by length and character set, in four different attack scenarios.
Updated . 6 min read.
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The most common passwords
The most used passwords in the world, with the real number of times each has leaked.
Updated . 5 min read.
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What to do if your password was leaked
The steps, in order, for when one of your passwords shows up in a breach.
Updated . 6 min read.
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Passphrases: what they are and why they work
The Diceware method, how many words to use and the mistakes to avoid.
Updated . 6 min read.
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Password entropy: what the bits mean
What bits measure, how they are calculated and why a high figure does not always mean a strong password.
Updated . 6 min read.