What is footprinting in ethical hacking? What is the techniques used for footprinting?

Footprinting (also known as reconnaissance) is the technique used for gathering information about computer systems and the entities they belong to. To get this information, a hacker might use various tools and technologies. This information is very useful to a hacker who is trying to crack a whole system.

Ethical Hacking Footprinting - Learn Ethical Hacking in simple and easy steps starting from basic to advanced concepts with examples including Overview, Hacker Types, Famous Hackers, Terminologies, Tools, Skills, Process, Reconnaissance, Footprinting, Fingerprinting, Sniffing, Tools, ARP, DNS Poisoning, Exploitation.

work before gaining access into any network. The approach adopted by hackers before hacking

Footprinting refers accumulating and uncovering as much as information about the target network before gaining access into any network. The approach adopted by hackers before hacking