Open Source Intelligence (OSINT) is a collective term used to describe all techniques and tools used to harvest information from publicly available resources in a timely manner to support a specific intelligence requirement. There was no particular date when the term OSINT was first coined; however, the act of gathering intelligence from publicly available information was used for hundreds of years by different nations and various purposes.
In modern times, OSINT was introduced during World War II as an intelligence tool when the United States established the Foreign Broadcast Information Service (FBIS) to publicly monitor publicly available information related . . .
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