Password guides

What the count means, what to change first, and how to stop one leak reaching your other accounts.

How long it should be, what guessing tools try first, and what six official bodies advise.

How a passphrase differs from a password, how many words you need, and why the words must be random.

What data brokers hold, what removal can and cannot do, and the free and paid routes.

Do you need one, what paying adds, what four providers offer, and whether password managers are safe.