Wachtwoord breach checker
Password breach checker: find out how many times a password has appeared in leaked databases. Only the first five tekens a one-way hash are sent, never the Wachtwoord.
How it works: your browser makes a SHA-1 hash the password en sends only its first 5 tekens tot the Pwned Passwords service, which returns all matching suffixes. The match is made on your device.
Over Wachtwoord breach checker
Password breach checker: find out how many times a password has appeared in leaked databases. Only the first five tekens a one-way hash are sent, never the Wachtwoord.
Onderdeel van de sectie “Beveiliging en codering” van SmartCalcy. Werkt in je browser zonder account, gebruikt je eigen valuta en eenheden (te wijzigen bovenaan de pagina) en geeft schattingen alleen ter informatie, dus controleer officiële richtlijnen voordat je op een resultaat vertrouwt.
Zo gebruik je de Wachtwoord breach checker
Wat het berekent en wanneer je het gebruikt
Checks whether a Wachtwoord has appeared in known Gegevens breaches, using the Pwned Passwords service. The password is never sent: your browser sends only the first five tekens its SHA-1 hash en compares the answers on your device. This is called k-anonymity.
Zo gebruik je het, stap voor stap
- Type the Wachtwoord into the doos.
- Press “Check Wachtwoord”.
- See whether it was found en how many Aantal keer.
- If it was found, stop using it everywhere en Verandering it.
Wat elk invoerveld betekent
- Wachtwoord tot check – The Wachtwoord you want tot test. It stays in your browser.
Zo lees je de resultaten
- Resultaat – Found in breaches with a Aantal, of Not found.
De formule
Your browser computes SHA-1(Wachtwoord), voor example 5BAA61E4C9B93F3F0682250B6CF8331B7EE68FD8 voor “password”. It sends only the first 5 hex characters, 5BAA6, en receives all hash endings that start with them, then looks voor the remaining 35 characters locally.
Een rekenvoorbeeld
The Wachtwoord “Wachtwoord” is found millions Aantal keer. A lang random Wachtwoord usually returns Not found.
Aannames en beperkingen
- The check only covers passwords that appeared in breaches known tot the service.
- Not found does not Gemiddelde Sterk. A short guessable Wachtwoord blik still be cracked.
- Requests tot api.pwnedpasswords.com are made only when you press the button.
Veelgemaakte fouten
- Reading Not found as a sign the Wachtwoord is safe.
- Testing a Wachtwoord with a typo en getting a misleading Resultaat.
- Reusing a found Wachtwoord anywhere na seeing the Resultaat.
Veelgestelde vragen
Is it safe tot type my Wachtwoord here?
The Wachtwoord never leaves your browser. Only a 5-character piece its hash is sent, which matches hundreds other passwords.
What does the Aantal Gemiddelde?
The Getal Aantal keer the Wachtwoord appeared across breached Gegevens sets.
What should I do if it was found?
Verandering it everywhere you used it, use a unique password voor each account en turn on two-factor authentication.
Wie runs the service?
Pwned Passwords is run by Have I Been Pwned, using breach Gegevens.