Best OSINT books

Extreme Privacy

What It Takes to Disappear

Michael Bazzell's defender-side companion to OSINT Techniques: a step-by-step program for removing yourself from data brokers, public records, and the everyday surveillance economy without going off-grid.

OSINT Techniques

Resources for Uncovering Online Information

Michael Bazzell's relentlessly updated technical manual for finding people, accounts, breach data, geolocation evidence, and online identifiers — the de facto reference of the modern OSINT field.

Hacks, Leaks, and Revelations

The Art of Analyzing Hacked and Leaked Data

Micah Lee on the operational craft of working with leaked datasets: authentication, OPSEC for sources and journalists, and the Python tooling to actually parse what arrives in your dropbox.

Practical Social Engineering

A Primer for the Ethical Hacker

Joe Gray's working manual for the social-engineering side of red team and threat intel: OSINT-driven recon, pretexting, phishing infrastructure, and the legal and ethical boundaries that separate professional work from criminal activity.

Open Source Intelligence Techniques and Tools

Hassan and Hijazi's pedagogical introduction to OSINT framed inside the broader intelligence cycle (collection → processing → analysis → dissemination) rather than around a specific toolchain.