Cybersecurity What is the layer principle? March 14, 2026 by Mercier | Leave a Comment The layer principle, often referred to as the principle of layers or layered security, is a cybersecurity strategy that involves implementing multiple, overlapping security defenses. This approach ensures that if one security measure fails, others are in place to protect against threats. It’s like having several locks on your door, each offering a different type […] Read more »
Cybersecurity What is the three layer rule? March 14, 2026 by Mercier | Leave a Comment The "three-layer rule" is a cybersecurity principle that suggests implementing security controls in three distinct layers to protect sensitive data and systems. This layered approach, often referred to as defense in depth, ensures that if one security measure fails, others are in place to prevent a breach. It’s a fundamental concept for robust digital security. […] Read more »
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 »