Beyond the Perimeter: Inside the DoD’s Seven-Pillar Zero Trust Strategy and the Race to 2027 (2026 Update)

Introduction: Why Zero Trust Has Become a National Security Imperative The era of perimeter-based cybersecurity is over. For decades, military and government networks relied on the assumption that users and systems inside a trusted boundary could operate freely once authenticated. That model has collapsed under the pressure of cloud migration, remote operations, coalition networking, software…