Troy Adam Hunt is an Australian web security consultant known for public education and outreach on security topics. He created Have I Been Pwned?, a data breach search website that allows users to see if their personal information has been compromised. He has also authored several popular security-related courses on Pluralsight, and regularly presents keynotes and workshops on security topics. He created ASafaWeb, a tool that formerly performed automated security analysis on ASP.NET websites.
As part of his work administering the Have I Been Pwned? (HIBP) website, Hunt has been involved in the publication of 644 data breaches as of 6 January 2023[update], and journalists cite him as a cybersecurity expert and data-breach expert.
As of June  2018[update] HIBP had recorded more than 5 billion compromised user-accounts. Governments of Australia, United Kingdom and Spain use the service to monitor their official domains. Popular services, such as 1Password, Eve Online, Okta or Kogan have integrated HIBP into their account-verification process.

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