IntelligenceX

Tool Description : An OSINT search engine that indexes breached data, leaks, and historical internet records to help uncover hidden links and exposed information.

IntelligenceX

Quick Overview

URL

https://intelx.io/

What it does

Searches across leaked data, breaches, paste sites, domains, emails, and more, including historical records.

How to use it

Enter a keyword (email, domain, IP, username), filter results, and explore indexed data sources.

Cost

Partially free. (Basic searches free, deeper access requires paid plan).

Account required

No for basic use. Yes for advanced features.

Analytics and session management.

Ownership

Owned and operated by the privately held European technology company Intelligence X, founded by Peter Kleissner, Czech Republic.

Use in Reporting

Useful for uncovering breached data, historical records, and hidden links between entities.

What does IntelligenceX do?

IntelligenceX is a powerful OSINT search engine that indexes data leaks, breaches, and historical internet records. It lets you search beyond the visible web into paste sites, darknet content, and archived data dumps.

Key features:

Searches emails, domains, IPs, URLs, and keywords.
Indexes breach data and leaked datasets.
Includes historical snapshots (like archived WHOIS, DNS, and files).
Covers surface web, dark web, and paste sites.
Lets you pivot between related data points.

The lowdown: The tool allows you to dig deep into leaks and historical data (great for uncovering hidden connections) but much of its valuable info is behind a paywall.

How to Use:

Go to https://intelx.io/ and enter a search term (email, domain, IP, keyword).

2. Filter results (e.g. leaks, URLs, files, pastes). As you can see, various features require a PRO account.

3. Explore matches and pivot to related data. You can view some data for free including metadata.

To view redacted data, you’ll need to upgrade to a paid account.

Cost

Free
Partially Free
Paid

Basic searches are free. Deeper access requires a paid plan.

Data Processing

Account Required:

No for basic use. Yes for advanced features and full results.

Cookies:

Cookies are mainly used for analytics and session management, tracking whether you’re a unique visitor (via Statcounter) and maintaining your session on IntelligenceX.

Use in Reporting

IntelligenceX can be used to:

Identify exposed emails, credentials, or leaked data.
Link individuals or organisations to breaches.
Discover historical presence of domains or content.
Support investigations into cybercrime, fraud, or exposure.
Pivot across datasets to uncover hidden relationships.

Capabilities

Limitations

Deep search across breaches and leaks.

Most valuable features are behind a paywall.

Historical internet data (archives, past records).

Data can be sensitive, incomplete, or unverified.

Multi-source indexing (clear web and dark web).

Requires careful interpretation (risk of false links).

Strong pivoting between entities (email - domain - IP).

Interface can feel overwhelming for beginners.

File and document discovery.

Advanced filters for targeted investigations.

Summary

IntelligenceX is a deep-dive OSINT powerhouse for searching breaches, leaks, and historical data. It’s especially useful when standard search tools hit a wall, helping uncover hidden links and past activity and as such, is most useful in the collection and analysis stages of the OSINT workflow.

Ownership

IntelligenceX (intelx.io) is owned and operated by the privately held European technology company Intelligence X, which was founded in 2018 by Peter Kleissner based in Prague, Czech Republic.