Zero Trust security is based on the principle of "never trust, always verify." For a mobile and frequently traveling workforce, enforcing rigid access models without adaptability creates friction and hampers productivity. The first priority in Zero Trust design for such a workforce is to deploy context-aware reauthentication combined with User Behavior Analytics (UBA). This ensures that deviations from baseline user behavior-such as unusual geographic access, time of day anomalies, or device changes-trigger additional authentication or session restrictions.
Option A (hardware OTPs) enhances authentication security but does not provide adaptive, risk-based controls for varying user behavior. Option B (TLS decryption) focuses on network traffic inspection, which is important but secondary to ensuring identity and access enforcement in a Zero Trust model. Option C (posture compliance checks) is necessary but typically part of ongoing device security enforcement rather than the initial step.
By starting with context-aware reauthentication, the organization ensures its Zero Trust strategy adapts dynamically to user behavior, providing both stronger security and a smoother experience for a global, remote workforce.