Cybersecurity What is the 3 layer rule? March 3, 2026 by Mercier | Leave a Comment The "3-Layer Rule" is a popular cybersecurity principle that emphasizes dividing a network into distinct security zones. This segmentation limits the blast radius of a breach, making it harder for attackers to move laterally across systems. It’s a fundamental concept for building robust and resilient digital defenses. Understanding the 3-Layer Rule for Enhanced Cybersecurity In […] Read more ยป