Open-source intelligence (OSINT) refers to the collection and analysis of publicly available data from various sources, including websites, social media, and public records. This type of intelligence gathering is used by organizations, governments, and individuals for purposes such as threat analysis, competitive research, and market analysis. OSINT provides a wealth of information without violating privacy or legal constraints, making it a valuable resource in security assessments and strategic planning. It highlights the importance of utilizing accessible information for informed decision-making.