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Zero Trust Architecture

A security model that assumes no implicit trust and requires continuous verification of all users and devices.

Understanding Zero Trust Architecture


Zero Trust Architecture (ZTA) is a security framework that requires strict identity verification for every user and device, regardless of whether they are inside or outside the network perimeter. It follows the principle of "Never trust, always verify."

Core Principles of Zero Trust


  1. Least Privilege Access – Users and applications only get the minimum permissions needed.

  2. Continuous Verification – Every request is authenticated and monitored in real-time.

  3. Micro-Segmentation – The network is divided into isolated zones to limit lateral movement.

  4. Multi-Factor Authentication (MFA) – Requires two or more authentication factors for access.

  5. Device and Network Security Posture – Access decisions are based on real-time risk assessments.

Benefits of Zero Trust


  • Reduces Attack Surface – Limits unauthorized access and lateral movement.

  • Mitigates Insider Threats – Even trusted users are continuously verified.

  • Enhances Cloud Security – Ensures secure access to SaaS and cloud resources.

  • Improves Regulatory Compliance – Aligns with GDPR, HIPAA, and NIST 800-207.

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