Good news — no pwnage found! This email address wasn't found in any of the data breaches loaded into Have I Been Pwned. That's great news! Oh no — pwned! This email address has …

Integrate Pwned Passwords into your own applications with our freely available API. Prevent users from selecting vulnerable passwords and improve your security posture.

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The Pwned Passwords API is freely accessible without the need for a subscription and API key. Each password is stored as both a SHA-1 and an NTLM hash of a UTF-8 encoded password.

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May 23, 2025 · This followed the first Operation Endgame exercise a year earlier, with the latest action resulting in 15.3M victim email addresses being provided to HIBP by law enforcement. …