OSINT
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Have I Been Pwned
Popular service for checking if email addresses or passwords have been exposed in data breaches, providing essential security intelligence.
OSINT
Breach Data
Credential Checking
Identity Theft Protection
Overview
Have I Been Pwned (HIBP) is a widely-used security service created by Troy Hunt that allows users to check if their email addresses, usernames, or passwords have been compromised in data breaches.
The service aggregates data from thousands of public breaches and provides free access to breach notification and password exposure checking. HIBP offers a public website, a REST API for automated integration, and a domain search feature for organizations to monitor their corporate email domains.
Key features include email breach checking, password exposure validation, domain monitoring, and breach notifications. HIBP is essential for security professionals, incident responders, and individuals to assess password security and identity exposure.
Primary Use Cases
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Checking if email addresses have been exposed in public data breaches.
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Validating if passwords have been exposed in previous breaches to enforce security.
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Monitoring corporate email domains for security breaches and data exposures.
Frequently Asked Questions
Have I Been Pwned is a free security service created by Troy Hunt that allows users to check if their email addresses, usernames, or passwords have been exposed in data breaches.
Yes, Have I Been Pwned is completely free for personal use. The API also offers a free tier for developers.
HIBP aggregates data from thousands of public data breaches including those from companies, services, and online platforms that have been compromised.
Yes, HIBP provides a REST API for automated breach checking, password validation, and domain monitoring integration.
HIBP is used to check credentials during incidents, enforce password policies, monitor data breaches, and protect against identity theft.
Metadata
Official Website
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Category Info
Open Source Intelligence (OSINT) tools for gathering and analyzing publicly available information from various sources including websites, social media, DNS records, public databases, and other open data sources for security investigations and threat intelligence.
Added On
August 18, 2026
Last Updated
August 18, 2026
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