Billy Dunn

Book 15 minutes with me. You leave with my cell.

Has this password leaked?

Check a password against a public list of leaked ones. It runs in your browser.

Try an old password, not one you use today. A retired one or a made-up one works fine. The check is built so the password stays on your device, but an old password is the better habit.

Only the first five characters of a scrambled copy of the password leave your browser. The full password itself and the rest of the scrambled copy never do.

How to read your results GoodWorth a lookProblemCouldn’t tell
Good
This check found what it was looking for.
Worth a look
Something is missing, unclear or could be better. A good question to ask whoever looks after it.
Problem
A specific gap the check saw, or one you told us about. Worth acting on soon.
Couldn’t tell
The check could not see enough to say. That is not good or bad news.

Billy Dunn, illustrated

Billy Dunn

Founder since 1989. Book 15 minutes with me and you leave with my cell.

on Google

What a result does and doesn’t mean

  • Found means that exact password has shown up in leaked data, and attackers try those first. If you still use it anywhere, replace it.
  • Not found means it was not on this list. It does not prove the password is strong, and it says nothing about your accounts.
  • A match does not mean anyone broke into your accounts, and it does not say where the password came from.
  • The list is Pwned Passwords from Have I Been Pwned. Like any website, it can see your network address when you check. We never see the password.
Billy wears a blue sports jacket while comparing a simple page of options with Trevor at a wooden desk.

A stack of bids. One sheet of what matters.

See the AI work we do

Want help with passwords across the whole company?

Password managers, multi-factor sign-in and who can see what. Ask us how we set those up.

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