OSINT
theHarvester
Reconnaissance tool for collecting public emails, names, domains, hosts, and related metadata.
osintemailsubdomaindomainreconsearch
Best For
Good for learning first-pass external recon using only public, passive sources where possible.
Responsible Use
Use this tool only in owned environments, classroom labs, CTFs, or engagements where you have explicit written permission. Keep notes focused on findings, risk, and remediation.