Blog
Notes from the workshop floor.
Market, technology, brand. Written by Dr. Raphael Nagel and the team. Published when something needs to be said.
December 20, 2025 · Dr. Raphael Nagel
Security as Code: Platform Thinking for Physical Defense
The same logic that makes a software platform durable makes a physical-security platform durable. Modules, interfaces, deprecations, upgrades. A platform reading of physical security.
December 17, 2025 · Dr. Raphael Nagel
Layered Perimeter Security on an Industrial Site: A Working Architecture
Four layers, four jobs, one logic. We describe a perimeter architecture you can actually buy, deploy, and verify, with the dependencies between layers spelled out.
December 7, 2025 · Dr. Raphael Nagel
NIST 800-53 Physical Security Controls: What Operators Actually Implement
The control catalogue is long. The deployments are short. A practitioner reading of the PE family and what falls out of it in real industrial buildouts.
December 1, 2025 · Dr. Raphael Nagel
Reducing False Alarms in AI CCTV: The Two Techniques That Actually Work
Multichannel confirmation and contextual filtering. Two methods, both well-understood in industrial settings, both rarely deployed correctly. A practical playbook.
February 14, 2025 · Dr. Raphael Nagel
Builders Risk Insurance: How Theft Claims Actually Settle
A step-by-step reading of builders risk theft claims in 2026. What gets paid, what gets denied, what gets contested, and why documentation matters more than coverage.
February 11, 2025 · Dr. Raphael Nagel
Security Robots For Sale vs Rental: When CapEx Actually Wins
A CFO-side reading of the buy-vs-rent decision for security robotics. The three deployment patterns where capex beats opex, and the rest.
February 5, 2025 · Dr. Raphael Nagel
NPSA Physical Security: The UK Guidance Everyone Misreads
NPSA, the successor to CPNI, has rewritten the UK CNI guidance. A practitioner reading of what changed and what UK operators must now demonstrate.
January 24, 2025 · Dr. Raphael Nagel
AI Video Analytics Software: Nine Vendors, One Honest Comparison
The nine credible vendors in 2026 AI video analytics, scored against the same eight criteria. No paid placements, no "best of" listicle nonsense.
January 22, 2025 · Dr. Raphael Nagel
Construction Site Theft Prevention: 23 Measures, Ranked by ROI
Twenty-three measures, scored against actual theft data, ranked by ROI per dollar invested. The list every GC should print and pin in the trailer.
January 21, 2025 · Dr. Raphael Nagel
Mobile CCTV Towers: What Seventy Percent of Buyers Regret Choosing
A buyer-side autopsy of mobile CCTV tower procurement. The four buying mistakes that show up after six months, and how to avoid them.
January 15, 2025 · Dr. Raphael Nagel
Industrial Perimeter Security: Architecture Layered for Cost
Layered perimeter security as an architecture decision, not a shopping list. How to spend $200k vs $2M and not waste either.
December 28, 2024 · Dr. Raphael Nagel
Construction Site Security Cost: Four Tiers, One Honest Budget
Four budget tiers for construction security, mapped against project size and risk profile. The honest breakdown that survives a CFO review.