product-example checked

Have I Been Pwned Pwned Passwords

Documents Pwned Passwords as a breached-password dataset that can be checked through a k-anonymity API without sending the full password or complete hash.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Password creation Choose password creation when the user must choose or replace a reusable password, passphrase, or memorized secret. Typing, paste, autofill, password-manager generation, deletion, and selection follow native input behavior. Have I Been Pwned supports breached-password checking through a k-anonymity range API.

Evidence Role

This source is treated as product-example evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: Have I Been Pwned. Last checked: .