Check the five pillars of Verification in the file. I find it quite useful for a paper that introduces OSINT.
PDF (29 Pages): Verifying_Online_Information_Digital_AW
This is good basic stuff adapted from HUMINT standards. It is also largely worthless in that it does not help address the core question, which is knowing who knows and getting them to tell you with great honesty what they know.
Any “OSINT” product that is more than 20% rooted in online sourcing is useless.
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