Have I Been Pwned

A service that checks whether your email address or password appeared in known data breaches.

FreemiumProprietaryWeb

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About Have I Been Pwned

Have I Been Pwned aggregates data from publicly known breaches so you can enter an email address and see which sites leaked it and when. A notification option emails you when your address turns up in a future breach, and domain owners can monitor entire organisations.

The Pwned Passwords feature lets you check whether a password has appeared in a breach, using a range query so the password itself is never sent in full. An API is available for developers and security teams, and the breach account API requires a subscription.

Strengths

  • Search tens of billions of breached records by email
  • Free Pwned Passwords check using a privacy-preserving range query
  • Notification and domain monitoring options

Limitations

  • Breached-account API access requires a paid subscription
  • Only covers breaches that have been loaded into the service

Details

Pricing
FreemiumFree breach and password checks; API access for breached accounts requires a subscription.
License
Proprietary
Developer
Troy Hunt
Platforms
Web
How it runs
Hosted service
Account
Not required
Works offline
No
Best suited for
Checking whether your accounts or passwords have been exposed in breaches
Last verified
Added
Provenance
Selected from the TechWalrus Resource Hub (Cybersecurity & Pentesting); facts checked against the developer's own pages, 2 sources on file.

Report a wrong fact or a dead link on this listing