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theHarvester — OSINT Hub

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theHarvester

Email OSINTDomain OSINTCompany Intelligence

Automated checks passed
Checked 8/28/2026

theHarvester is a classic OSINT tool pre-installed in Kali Linux. It aggregates data from multiple public sources including search engines, DNS servers, and certificate transparency logs to build a comprehensive picture of a target domain or organization.

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Features

✓Email harvesting
✓Subdomain enumeration
✓Multiple data sources
✓XML/JSON output
✓Pre-installed on Kali

Limitations

✗Requires API keys for some sources
✗Noisy — may trigger WAF alerts

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Tool Details

Interface CLI

Pricing Free

Skill Level Intermediate

Open Source Yes ✓

Maintenance Reported active

Reported Update 2024-10

Platforms

🐧 linux🍎 macos🐉 kali🪟 windows

Accepts Input Types