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Have I Been Pwned (HIBP) is an online service that allows individuals and organisations to check whether their personal data has been compromised in known data breaches. Founded in December 2013 by Australian cybersecurity expert and Microsoft Regional Director, Troy Hunt, HIBP has become one of the most trusted resources for breach awareness and security education worldwide. The service aggregates billions of records from publicly disclosed breaches and provides a simple way for individuals and businesses to search for their email addresses or domains to see if they appear in any incidents.
Trustworthiness has been central to HIBP’s reputation. It has always operated with transparency, openly documenting breach sources, handling sensitive data responsibly, and offering services like domain verification so organisations can monitor corporate email addresses securely. Its partnerships with law enforcement agencies, including the FBI, and major technology companies such as Mozilla (for Firefox Monitor) further reinforce its credibility.
Over the years, HIBP has expanded to include features like password exposure checks (Pwned Passwords) and API integrations for developers and security teams. Its mission remains the same: to make breach data accessible in a responsible way, helping people understand and mitigate risks after a security incident.See more
