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What is Zero Trust?

A security model that requires strict identity verification for every user and device, regardless of their network location.

Zero Trust follows the principle "never trust, always verify." Unlike traditional perimeter-based security, Zero Trust assumes threats exist both inside and outside the network. Every access request is fully authenticated, authorized, and encrypted.

Key principles include least-privilege access, micro-segmentation, continuous verification, and assuming breach. Implementation involves identity management, network segmentation, endpoint security, and comprehensive monitoring.

Related Terms

Firewall Rules
Configuration entries that define which network traffic is allowed or blocked based on source, destination, port, and protocol.
Data Loss Prevention (DLP)
A strategy and set of tools that detect and prevent unauthorized transmission of sensitive data outside an organization.
CSRF (Cross-Site Request Forgery)
An attack that tricks authenticated users into submitting unwanted requests to a web application they are logged into.
OWASP Top 10
A regularly updated list of the ten most critical web application security risks, published by the Open Web Application Security Project.
DAST (Dynamic Application Security Testing)
Testing a running application from the outside by sending malicious requests to discover security vulnerabilities.
JWT (JSON Web Token)
A compact, self-contained token format used for securely transmitting information between parties as a JSON object.
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