On: Mastering Osint: How to Find Information on Anyone

[klez]

The term "open source" as referring to sofware was suggested in 1997 but I could find references to OSINT from at least 1991-1995[0], so I'd say "Open Source Intelligence" should get precedence.

[0] https://apps.dtic.mil/sti/tr/pdf/ADB194025.pdf