What is the Digital Security Field Manual?

The DSFM is a tactical field guide for protecting privacy, hardening Linux, and resisting surveillance. It covers OPSEC, anonymity, and defensive security tools.

The DSFM is for professionals, activists, students, and anyone who wants practical steps to defend digital privacy in a surveillance-driven world.

Can non-Americans benefit from Fortifying Healthcare Data?

Yes. While it uses HIPAA as a framework, the defensive strategies apply across all industries and global data regulations including GDPR.

Is Unified Compliance useful for European readers?

Absolutely. Unified Compliance bridges HIPAA and GDPR, making it relevant for global teams securing sensitive consumer data.

Digital Security Field Manual

2nd Edition – Available Now!

Master

Take back your privacy. Build secure systems. Operate anonymously. Master the tools and methods of a modern security professional.

“Privacy is not a privilege. It’s a right. And it starts with you.”

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What's Inside the DSFM

Privacy Tools

Linux Hardening

OPSEC Techniques

Anonymity Networks

Books by Christopher Quinn

Digital Security Field Manual1st Edition

A tactical field guide for anyone serious about privacy, OPSEC, and fighting surveillance in a digital world.

Buy on Amazon USA
Buy on Amazon DE

Digital Security Field Manual 2nd Edition

An updated playbook for privacy warriors—new tactics, sharper tools, tougher threats.

Buy on Amazon USA
Buy on Amazon DE

Fortifying Healthcare DataNew Release

A no-nonsense guide to defending Protected Health Information (PHI) with real-world security practices and threat models.

Buy on Amazon USA
Buy on Amazon DE

Unified Compliance: Protecting Global Consumer Data

Coming Soon — Navigate HIPAA, GDPR, and global privacy frameworks with real-world security operations.

Releasing Q3 2025