Back to Glossary Zero Trust Security A security framework and architecture philosophy built on the principle of ‘never trust, always verify’, requiring continuous, explicit validation of identity, device health, and access context for every user, application, and workload, regardless of whether the request originates inside or outside the corporate network. Zero Trust replaces the legacy perimeter-based security model with layered controls… A security framework and architecture philosophy built on the principle of ‘never trust, always verify’, requiring continuous, explicit validation of identity, device health, and access context for every user, application, and workload, regardless of whether the request originates inside or outside the corporate network. Zero Trust replaces the legacy perimeter-based security model with layered controls including MFA, Conditional Access, least-privilege access, micro-segmentation, and continuous monitoring.