Have I Been Pwned
About Have I Been Pwned
Have I Been Pwned (HIBP) is a free service created by security researcher Troy Hunt that allows users to check if their email addresses or phone numbers have been compromised in known data breaches. The platform indexes 14B+ breached accounts from 800+ data breach incidents. Pwned Passwords contains 900M+ unique compromised password hashes searchable via k-anonymity API. Enterprise features include domain-wide breach monitoring and API access for credential screening integration. Widely integrated into authentication systems for password hygiene enforcement.
Why Notable
14B+ breached accounts; Pwned Passwords API; created by Troy Hunt; security gold standard