Security Architecture: articles and guides

Defense in depth stacks independent controls so no single failure is fatal. The layers (network, endpoint, identity, data, people) with examples.

CISA’s Zero Trust Maturity Model maps the journey across five pillars and four stages. What each pillar and stage means, and how to assess where you sit.

Security architects eyeing executive roles need to master board-level communication and incident reporting. Here are the platforms and tools available in 2026 for practising these skills — from AI-driven report coaches to crisis communication simulators.