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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

Principle of Least Privilege
A security principle where users and programs receive only the minimum access rights needed to perform their specific tasks.
Cryptographic Key Management
The practices and procedures for generating, storing, distributing, rotating, and revoking encryption keys securely.
DAST (Dynamic Application Security Testing)
Testing a running application from the outside by sending malicious requests to discover security vulnerabilities.
CORS (Cross-Origin Resource Sharing)
A browser security mechanism that controls which web domains can access resources from another domain via HTTP requests.
Webhook Signature Verification
A security mechanism that verifies webhook payloads are authentic and unmodified using cryptographic signatures.
Two-Factor Authentication (2FA)
A security method requiring two different forms of identification before granting access to an account.
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