Open-source intelligence (OSINT) is the collection and analysis of data gathered from open sources (covert and publicly available sources) to produce actionable intelligence. OSINT is primarily used in national security, law enforcement, and business intelligence functions and is of value to analysts who use non-sensitive intelligence in answering classified, unclassified, or proprietary intelligence requirements across the previous intelligence disciplines. OSINT sources can be divided up into six different categories of information flow: