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wikipedia.org
https://en.wikipedia.org/wiki/Open-source_intellig…
Open-source intelligence - Wikipedia
Open source intelligence (OSINT) is the collection and analysis of data gathered from open sources (overt sources and publicly available information) to produce actionable intelligence.
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osintframework.com
https://osintframework.com/
OSINT Framework
The intention is to help people find free OSINT resources. Some of the sites included might require registration or offer more data for $$$, but you should be able to get at least a portion of the available information for no cost. I originally created this framework with an information security point of view.
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ibm.com
https://www.ibm.com/think/topics/osint
What is open source intelligence (OSINT)? - IBM
Open-source intelligence (OSINT) is the process of gathering and analyzing publicly available information from sources such as social media accounts, government records and online directories.
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dia.mil
https://www.dia.mil/About/Open-Source-Intelligence…
Open Source Intelligence (OSINT) - Defense Intelligence Agency
Derived exclusively from publicly or commercially available information to address specific intelligence priorities, requirements or gaps, OSINT is vital to the agency’s mission – providing unique value and enabling all other intelligence collection disciplines.
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sans.org
https://www.sans.org/blog/what-is-open-source-inte…
What is OSINT (Open-Source Intelligence?) | SANS Institute
Open Source Intelligence (OSINT) is the collection, analysis, and dissemination of information that is publicly available and legally accessible. Right now, OSINT is used by a organizations, including governments, businesses, and non-governmental organizations.
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upguard.com
https://www.upguard.com/blog/open-source-intellige…
Open Source Intelligence (OSINT): Top Tools and Techniques
Open source intelligence (OSINT) is the process of identifying, harvesting, processing, analyzing, and reporting data obtained from publicly available sources for intelligence purposes.
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cambridge.org
https://www.cambridge.org/core/journals/european-j…
The rise of open-source intelligence | European Journal of ...
Abstract This article challenges the perception of Open-Source Intelligence (OSINT) as a revolutionary shift driven by the explosion of publicly accessible data. Instead, we argue that the rise of OSINT reflects an evolution of traditional intelligence practices: the collection, processing, analysis and dissemination of vast amounts of information.