Add notes & card styling

Signed-off-by: Hadi <hadi@example.com>
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Hadi
2026-05-04 14:03:48 +02:00
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---
title: "Information Gathering"
description: "Essential cybersecurity cheatsheet for Information Gathering and Open Source Intelligence (OSINT). Discover data related to emails, domains, usernames, and images using both command line and online tools."
tags: ["osint", "enumeration", "information-gathering"]
publishDate: 2026-05-03
---
**Information Gathering**, often referred to as **Open Source Intelligence (OSINT)** in the context of ethical hacking, is the systematic collection and analysis of publicly available data about a target, providing the foundational knowledge necessary to identify potential vulnerabilities and craft targeted security assessments.
## Command line tools
| **From** | **Use** |
| --------- | ----------------------------------------------------------------------------------------------- |
| Email | `holehe $email` |
| | `ghunt email $email` (for google account) |
| | `github-recon $email` ([link](http://github.com/anotherhadi/github-recon/), for github account) |
| Domain | `theHarvester -d $domain -l 100` |
| | `theHarvester -d $domain -l 100 -b all` (full) |
| Username | `sherlock $username` |
| Image | `exiftool $imagePath` |
| Instagram | `instaloader profile $username` |
| Github | `trufflehog github --org=$usernameOrOrg` |
| | `github-recon $username` ([link](http://github.com/anotherhadi/github-recon/)) |
## Online tools
| **For** | **Use** |
| ---------- | ------------------------------------------------------ |
| Visualiser | [OSINTracker](https://www.osintracker.com/) |
| IP | [Shodan](https://www.shodan.io/) |
| | [Censys](https://search.censys.io/) |
| Domain | [Whois](https://www.whois.com/whois/) |
| Name | [Webmii](https://webmii.com/) |
| | [BreachDirectory](https://breachdirectory.org/) |
| | [LeakLookup](https://leak-lookup.com/search) |
| | [IntelX](https://intelx.io/) |
| | [Genealogic.review](https://genealogic.review/) |
| SSID | [Wigle](https://wigle.net/) |
| Image | [PimEyes (faces)](https://pimeyes.com/) |
| | [Lenso (faces)](https://lenso.ai) |
| | [TinEye](https://tineye.com) |
| | [Pic2Map (exif geolocation)](https://www.pic2map.com/) |
| Username | [DeHashed](https://dehashed.com/search) |
| | [BreachDirectory](https://breachdirectory.org/) |
| | [IntelX](https://intelx.io/) |
| | [LeakLookup](https://leak-lookup.com/search) |
| | [Oathnet](https://oathnet.org/) |
| Email | [DeHashed](https://dehashed.com/search) |
| | [Hunter](https://hunter.io/) |
| | [HaveIBeenPwned](https://haveibeenpwned.com/) |
| | [BreachDirectory](https://breachdirectory.org/) |
| | [LeakLookup](https://leak-lookup.com/search) |
| | [IntelX](https://intelx.io/) |
| | [Oathnet](https://oathnet.org/) |
| Phone | [Epieos](https://epieos.com/) |
| Instagram | [Dumpor](https://dumpor.io/) |
| Misc | [Goosint](https://goosint.com/) |
| | [OSINT Framework](https://osintframework.com/) |
| | [OSINT Dojo](https://osintdojo.com/) |
## OSINT Aggregation Tool
<a href="https://iknowyou.hadi.icu" class="link-card not-prose" target="_blank">
<span>
<h4>IKnowYou</h4>
<p>Self-hosted OSINT aggregation platform: Run dozens of open-source intelligence tools against a single target in parallel; all from one clean web interface.</p>
</span>
</a>