Guides & Insights
Mar 6, 2026
Five intrusion techniques used by Warring States-era ninja and the surprisingly similar security weaknesses that persist in modern homes. From stone wall climbing to cat-walking to ceiling infiltration — security lessons from ninjutsu.
Mar 6, 2026
From the battles between Iga ninja and castle defenses to modern security technology. The reality of attack and defense at the Tensho Iga War, the evolution of locks vs. lock-picking, and the role of shinobi gaeshi in multi-layered defense.
Mar 6, 2026
Shinobi gaeshi installed on Warring States castles represent the origin of 'target hardening' in modern Crime Opportunity Theory (Routine Activity Theory). From ninja intrusion techniques and physical defense history to modern residential security.
Feb 24, 2026
Countering 'modern ninja' burglars with smart cameras, smart locks, and smart lighting. The latest in digital home security and physical perimeter defense with shinobi gaeshi.
Dec 16, 2025
A comprehensive guide to choosing and installing wall and fence security spikes for residential properties, including types, installation tips, maintenance, and complementary security measures.
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