Open-source intelligence is simply the practice of gathering and analyzing publicly available information. Nothing clandestine—just systematic collection and synthesis of what's already out there.
For decades, OSINT was the domain of intelligence agencies, hedge funds, and Fortune 500 companies with dedicated research teams. The rest of us got by with gut instinct and occasional surveys.
That's changed. AI has compressed what used to require a team of analysts into something a single person can do in an afternoon.