Perfecting the Defense-in-Depth Strategy with Automation

**Executive Summary:** This contributed article argues that traditional defense-in-depth can create a false sense of security and recommends augmenting it with automated Breach and Attack Simulation (BAS) and LLM-powered threat intelligence to continuously test and validate network, host, application, and data-layer controls; it highlights Picus Security's BAS platform and related resources to improve organizational cyber resilience.