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nexus/wiki/concepts/Zero-Trust-Access.md
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---
title: "Zero Trust Access"
type: concept
tags:
- Security
- AWS
---
## Definition
零信任访问Zero Trust Access是一种安全框架遵循"永不信任、始终验证"原则,每次访问请求都需经过身份验证和授权,无论请求来自网络内部还是外部。
## Application
在 AWS Landing Zone 中,通过 SSM 实现零信任访问:用户需扮演 IAM 角色获得目标 EC2 实例的 SSM agent 访问权限,依赖现有访问控制并启用双因素认证。
## Related Concepts
- [[SSM-Access]]
- [[AWS-Landing-Zone]]
- [[Break-Glass-Access]]