What is OSINT? Well, according to Wikipedia it is:
“Open-source intelligence (OSINT) is intelligence collected from publicly available sources. In the intelligence community (IC), the term “open” refers to overt, publicly available sources (as opposed to covert or clandestine sources); it is not related to open-source software or public intelligence.”In general, OSINT is simply the identifying, collecting, and analysis of publicly available data about a person, place, or thing.