This research paper explores the concept of Open Source Intelligence (OSINT), which involves collecting and analyzing information from publicly available sources. It delves into the methodologies employed for gathering insights about individuals and organizations through their online presence. The paper discusses various applications of OSINT, including its significance in cybersecurity, law enforcement investigations, and risk assessment. Additionally, it highlights tools that facilitate OSINT practices, illustrating their roles in enhancing safety and security. By understanding OSINT, professionals can better navigate the complexities of the digital information landscape, ensuring informed decisions and actions in various fields.