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XposedOrNot icon

XposedOrNot

XposedOrNot is a free, open-source data breach search engine that shows which known breaches an email appears in and what was exposed.

Search any email for known data breaches, no signup needed

Cost / License

  • Free
  • Open Source (MIT)

Platforms

  • Online
Verify your own domain to monitor it for breaches for free
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  • Devanand-Premkumar added XposedOrNot

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XposedOrNot was added to AlternativeTo by Devanand-Premkumar on and this page was last updated .

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What is XposedOrNot?

XposedOrNot is a free data breach search and alert service. Type in an email address and it lists the publicly known breaches that address was caught in, with the date of each breach and the categories of data that leaked. Every breach is named and dated in a public catalog, so a finding can be checked and cited.

You can check your email's breach history, with a risk view and exposure by year and industry, read up on any breach in the catalog, and monitor your own domain for free once you verify you own it, with an email alert when a new breach includes it.

It's free with no account, and the whole project is open source under MIT. Lookups are processed in memory and not stored. A free keyless API (per-IP limits, paid plans for higher volume) and an MCP server let developers and AI assistants query the same data.