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Intelligence X

Search engine for leaks, pastes, stealer logs, darknet and WHOIS data, queried by email, domain, IP and other selectors

ToolOSINT ToolsCloud

Pricing: Free tier. Researcher €2,500/year, API €7,000/year, Identity Portal €10,000/year, Enterprise €20,000/year.

Reviewed by the Cyber Vendor Guide editorial team against the public sources cited below · Last reviewed September 2026 · How we review listings

What is Intelligence X?

Intelligence X is a search engine and archive for information that has been leaked or published, searched by selectors such as email addresses, domains, IP addresses and CIDR ranges. Its sources include pastes, data leaks, stealer logs, Tor and I2P darknet sites, WHOIS records, Usenet and the public web, with several sources limited to paid accounts, and it keeps copies of what it indexes. It was founded in 2018 by Peter Kleissner and is based in Prague. A free tier is available, with paid plans for researchers, API use, identity monitoring portals and enterprises.

Best for: Threat intelligence and security teams checking exposure in leaked data and darknet sources.

Pros

  • Covers darknet, leak and stealer-log sources in one search
  • Free tier for basic searches
  • Published annual prices

Things to check

  • Most darknet and leak sources need a paid plan
  • Paid plans start at €2,500 a year

Reported in public reviews and vendor documentation. See sources below.

Key Features

Search by email address, domain, IP address, CIDR range and other selectors
Sources including pastes, leaks, stealer logs, Tor, I2P, WHOIS and Usenet
Copies of indexed data kept as an archive
API access
Identity Portal plan for exposure monitoring

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Sources & references

Where the information on this listing comes from. Always verify pricing and capabilities against the vendor before a purchasing decision.

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Key facts

Pricing
Free tier. Researcher €2,500/year, API €7,000/year, Identity Portal €10,000/year, Enterprise €20,000/year.
Model
Free tier and annual subscription
Founded
2018
Cloud
Yes
Self-hosted
No

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Where Intelligence X appears

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