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Data Leak Check

The Leak Check searches a selector —email, domain, username, URL, IP or phone— across a huge collection of data breaches and leaked documents via Intelligence X. It tells you whether a target’s information has been exposed and in which leaks, grouping results by source type.

What it does

  • Search across thousands of breaches and leaked documents.
  • Supports email, domain, username, IP, URL and phone.
  • Results grouped by source type.
  • Powered by Intelligence X.

How to use it

  1. 1Enter the selector (email, domain, IP, etc.).
  2. 2Run the search across the leaks.
  3. 3Review which breaches it appears in and their context.

Use cases

  • Assessing credential exposure.
  • Monitoring brand or domain leaks.
  • People investigations and due diligence.

Frequently asked questions

What can I search?

Emails, domains, usernames, URLs, IPs or phones as input selectors.

Does it need a key?

It uses a shared IntelX key; you can add your own in Settings.

Does it show passwords?

It shows which leaks the item appears in; detail depends on the source.

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