In most modern enterprise environments, corporate networks consist of many interconnected segments, cloud-based services and infrastructure, connections to remote and mobile environments, and increasingly connections to non-conventional IT, such as IoT devices. The main concept behind zero trust is “never trust, always verify,” which means that devices should not be trusted by default, even if they are connected to a managed corporate network such as the corporate LAN and even if they were previously verified. Runtime control is applied to Infrastructure, with serverless, containers, IaaS, PaaS, and internal sites, with just-in-time (JIT) and Version Controls actively engaged.įinally, telemetry, analytics, and assessment from the Network, Data, Apps, and Infrastructure are fed back into the Policy Optimization and Threat Protection systems.The zero trust security model (also, zero trust architecture, zero trust network architecture, ZTA, ZTNA), sometimes known as perimeterless security, describes an approach to the design and implementation of IT systems.
Access to Apps should be adaptive, whether SaaS or on-premises. Data classification, labeling, and encryption should be applied to emails, documents, and structured data. Traffic filtering and segmentation is applied to the evaluation and enforcement from the Zero Trust policy before access is granted to any public or private Network.
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The risk assessment feeds into the policy engine for real-time automated threat protection, and additional manual investigation if needed. Attacks happen at cloud speed – your defense systems must act at cloud speed and humans just can’t react quickly enough or sift through all the risks. Large amounts of telemetry and analytics enriched by threat intelligent generates high quality risk assessments that can either be manually investigated or automated. The telemetry and analytics feeds into the Threat Protection system. Security Posture Assessment and Productivity Optimization are necessary to measure the telemetry throughout the services and systems. Governance and Compliance are critical to a strong Zero Trust implementation. This policy is further enhanced by Policy Optimization. Policy is enforced at the time of access and continuously evaluated throughout the session. In additional to telemetry and state information, the risk assessment from threat protection feeds into the policy engine to automatically respond to threats in real-time. Signals include the role of the user, location, device compliance, data sensitivity, application sensitivity and much more. Both human and non-human identities need strong authorization, connecting from either personal or corporate Endpoints with compliant device, together requesting access based on strong policies grounded in Zero Trust principles of explicit verification, least privilege access, and assumed breach.Īs a unified policy enforcement, the Zero Trust Policy intercepts the request, and explicitly verifies signals from all 6 foundational elements based on policy configuration and enforces least privileged access.
The foundation of Zero Trust security is Identities. Zero Trust architecture serves as a comprehensive end-to-end strategy and requires integration across the elements. SSO solution: Secure app access with single sign-onĪ holistic approach to Zero Trust should extend to your entire digital estate – inclusive of identities, endpoints, network, data, apps, and infrastructure.Identity & access management Identity & access management.App & email security App & email security.
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