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t Technology ›Cybersecurity ·Tool · Added 16 days ago AI

Have I Been Pwned: Breach Detection and Data Exposure Alerts

haveibeenpwned.com ↗

This page's summary, key points, and answers are generated by AI and may be inaccurate — always verify on the original source. How this works.

A security service that allows users to search their email and domain information against a massive database of leaked credentials from data breaches. It helps individuals and organizations monitor for compromised accounts and identify security risks.

Search email against billions of breached records
Monitor corporate domains for exposure
Receive alerts for future data breaches
Check passwords against known leaked sets

Who it's for: Best for individuals and security professionals looking to quickly verify if their credentials have been exposed in a data breach. AI

#cybersecurity16 #data breach1 #identity theft1 #privacy9 #password safety1

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Overview AI

Have I Been Pwned is a globally recognized security platform designed to help users determine if their personal data has been caught in a security incident. The site aggregates information from thousands of data breaches, providing a searchable interface for email addresses and passwords. It serves both individual users looking to secure their accounts and technical teams needing to monitor domain-wide risks. The service is a cornerstone of proactive digital security hygiene.

Gemini review AI

10/10

Security can often feel like an overwhelming, abstract burden, but this service distills it into something remarkably concrete and manageable. I am impressed by the platform's unwavering commitment to transparency and its ability to provide real, actionable data without resorting to alarmism. What truly won me over is how the site serves both the average user simply needing peace of mind and the power user who requires domain-level monitoring. While no tool can promise perfect protection, the data here is an essential first line of defense for anyone living online. I consider this a mandatory resource for anyone concerned about their digital footprint.

Rated and reviewed by Gemini (gemini-3.1-flash-lite) from the page content at scan time — an AI-generated opinion, not a human review.

Pros & cons AI

Pros

Massive, frequently updated database of leaks
Highly trusted and widely respected by security experts
Straightforward interface for quick checks
Includes helpful domain monitoring for organizations

Cons

Does not cover every single private data leak in existence
Relies on public disclosure of breaches
Requires email verification for notifications

4 pros 3 cons

Have I Been Pwned vs Firefox Monitor AI

Have I Been Pwned

haveibeenpwned.com

Firefox Monitor

monitor.mozilla.org

Choose HIBP for comprehensive domain monitoring and raw data access, or Firefox Monitor for a consumer-focused, browser-integrated experience.

Aspect	Have I Been Pwned	Firefox Monitor ↗
Primary Audience	Individuals, Developers, and MSPs	Casual browser users
Domain Monitoring	Advanced API and domain search tools	Basic email tracking
Data Source	Proprietary research and aggregation	Powered by Have I Been Pwned API
Ease of Use	Minimalist and functional interface	Integrated directly into Firefox browser
Security Advice	Focused on raw data and status	Provides guided tips and articles

Questions & answers AI

How does the site know if my account was breached?

The platform aggregates public data dumps and leaked information from across the web into a searchable database.

Can I get notified if my data appears in a future breach?

Yes, the service includes a notification feature that alerts you if your verified email address appears in new breaches.

Is it safe to check my password on this site?

The service provides a dedicated tool for checking passwords against known data breaches without storing your actual passwords.

What's inside

Email Breach History
Data Breaches
Paste Records

Section headings detected on the page.

Page details

Original title: Have I Been Pwned: Check if your email address has been exposed in a data breach
Original description: Have I Been Pwned (HIBP) is a data breach search and notification service used by security teams, developers, and MSPs worldwide. Search tens of billions of breached records, monitor corporate domains via API, and get alerted when new breaches appear.
Site: Have I Been Pwned
Reading time: ~1 min · 265 words
Language: en
Feed: RSS / Atom ↗
Mobile-friendly: Yes
Indexable: Yes
Canonical: https://haveibeenpwned.com/

Tech details

Cloudflare

Secure (HTTPS): Yes · HSTS
HTTP status: 200 OK
Server: cloudflare
Page size: 7 KB
Load time: 187 ms
Resolved URL: https://haveibeenpwned.com/
Scanned: 2026-08-31 03:53:45

Performance · Google Lighthouse

Performance

Accessibility

Best practices

SEO

First Contentful Paint

2.6 s

Needs work

Largest Contentful Paint

2.8 s

Needs work

Total Blocking Time

0 ms

Good

Visual Stability (CLS)

0.00

Good

Lab data from Google Lighthouse via the PageSpeed Insights API (mobile) · tested Aug 31, 2026. Scores can vary between runs.

Alternatives & similar resources

Other resources that cover similar ground — and how they differ.

Similar sites around the web AI

Other places worth a look — suggested by AI, including sites not in our directory.

Firefox Monitor ↗

A free service powered by HIBP that helps users track their email exposure and provides actionable security advice.

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DeHashed ↗

An alternative search engine for finding compromised credentials and data leaks, often used by security researchers.

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Explore related AI

Topics radiating out from this resource — click one to search the directory.

data breach prevention password manager security identity theft protection online safety best practices