Am a security researcher at https://www.nmmapper.com and I just want to share with folks about theharvester the OSINT tool used to examine external threats of an organization.
theHarvester is a very simple, yet effective tool designed to be used in the early. stages of a penetration test. Use it for open source intelligence gathering and. helping to determine a company's external threat landscape on the internet
Some of the information include
SubdomainsSubdomains
Names
Ip addresses
Virtualhost
PortscanPortscan
EmailsEmails
FAQ OSINT tool for security professionals, Opensource Intelligence tools