Open Source Intelligence (OSINT) involves collecting and analyzing publicly available information to generate actionable insights for various entities, including governments and businesses. Key components of OSINT include data collection, analysis, and dissemination, with popular tools like Maltego and Shodan enhancing its applications across cybersecurity, corporate espionage prevention, and crisis management. As technology evolves, the importance of OSINT continues to grow, necessitating ethical considerations, professional training, and a structured approach to implementation.