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---
title: "AWS Organizations"
type: concept
tags: [aws, governance, multi-account, security]
date: 2025-10-25
---
## Definition
AWS OrganizationsAWS 账户集中管理服务通过组织单位OU树形结构对多个 AWS 账户进行分组治理,实现统一策略管理、账单整合和跨账户服务委托。
## Key Properties
- **组织单元OU**:账户的逻辑分组,支持嵌套,策略继承
- **服务控制策略SCP**:在 OU 或账户级别限制 IAM 权限,超越账户内 IAM 策略
- **可信访问Trusted Access**:授权 AWS 服务(如 StackSets跨账户AssumeRole无需手动配置
- ** delegated administrator**:为特定服务指定委派管理员账户
## Multi-Account DevOps Role
StackSets 集中日志方案依赖:
- 启用 StackSets 可信访问Organization 级别授权)
- 指定管理账户为 delegated administrator
- OU ID 作为 StackSets 部署目标范围
## Related Concepts
- [[CloudFormation StackSets]]:依赖 Organizations 实现跨账户授权
- [[Multi-Cloud-Governance]]Organizations 是 AWS 侧多账户治理的核心框架
- [[Zero-Trust]]Organizations + SCP 是 Zero Trust 在 AWS 环境的策略实施层
## Source
[[AWS-CloudFormation-StackSets-多账户集中日志监控]]