Chris Mark
Over 30 years of experience across cyber, physical, maritime, and operational domains.
Author of 10 books and numerous articles. Co-author of PCI DSS.
Force Recon Marine. Navy Officer. Over 30 years building security systems and processes across every domain — from combat zones to payment networks.
Six books on security, risk, deterrence, and AI. Academic papers on Bayesian reasoning and compellence theory. The writing distills hard-won operational knowledge.
Board-level counsel to enterprises on security strategy, risk governance, and threat assessment. Expert witness. Executive coach. No vendor affiliations.
Featured Book
Scientia Securitatis
A rigorous theoretical and practical framework for understanding security as a discipline — from mathematical formulations to real-world application. This book establishes the foundational principles that underpin every domain of security practice.
Written for practitioners and academics alike, it bridges the gap between security theory and operational reality.
Latest Writing
A policy and infrastructure assessment examining the economics, infrastructure, and politics of the U.S. AI data-center buildout and the public backlash it has provoked — distinguishing authentic grievances over electricity rates, water, and cost-shifting from the documented foreign-influence amplification layered on top.
A strategic intelligence analysis introducing "Adversary Amplification" — a four-component model (Agent, Node, Ecosystem, Impact) describing how domestic populations, without awareness of adversarial origin, become unwitting transmission layers for influence operations. Companion to The War God's Face Has Become Indistinct.
A quantitative examination of rifle recoil mechanics and suppressor thermodynamics grounded in conservation of momentum principles. Provides comparative ballistic data for .223 Remington, .308 Winchester, and .300 Winchester Magnum cartridges. Covers acoustic analysis of muzzle blast (140-175 dB) and suppressor operation via ideal gas law principles through sequential expansion chambers, achieving ~78% pressure reduction. Discusses performance metrics including 10-15% velocity standard deviation improvements and 60-80% reduction in cumulative hearing damage progression.
Newsletter
Irregular dispatches on security, risk, AI, and deterrence theory. No spam. No sales funnels. Just the work.