OSINT Review: I-Intelligence OSINT Handbook 2020
The 2020 OSINT Handbook published by i-intelligence is the latest edition that is currently on their website. i-intelligence is a training and intelligence advisory firm.
The 2020 OSINT Handbook is a 509-page list of web links in PDF format. If you were expecting anything more, then you would be mistaken. It covers topics including social media, message boards, people search sites, and government and real estate sites.
Are these links useful?