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OSINT

theHarvester

Gathers emails, subdomains, hosts, and employee names from public sources.

beginner
Linux
macOS
Reconnaissance

Authorized testing only. Practice on systems you own, isolated labs, or targets with written permission. Unauthorized access is illegal.

When

Early passive recon on a domain in scope.

How

Point at domain, select data sources, export results for later phases.

Why

Fast bulk OSINT collection from many free sources.

Commands & usage

theHarvester -d example.com -b all
theHarvester -d example.com -b google,bing,linkedin -l 200 -f report

Commands are educational examples. Adapt hosts, paths, and rates to your authorized scope.

Tags

osint
email
subdomain

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