RECONNAISSANCE
PASSIVE RECON -social/physicalLocal info : Satellite images,building layout
Job info : Employees,pictures in desks
basically social engineering
WEB/HOST
Target Validation :WHOIS ,nslookup,dnsrecon
Finding SubDomains :Google Fu,dig,nmap,Sublist3r,Bluto
Fingerprinting :Nmap,Wappaltyzer, WhatWeb,BuiltWith, Netcat
Data Breaches :HaveIBeenPwned
PASSIVE OSINT: Open-source intelligence
https://bugcrowd.com/programs :crowdsourced security chcek platform
https://hunter.io/ : emailss
https://haveibeenpwned.com/ :looks for former breaches
bluto
theHarvester : site inputted. output emails,ip,source
whatweb -v ...
wappalyzer
https://builtwith.com/
: know abt the technology a website uses