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nexus/wiki/concepts/最小权限原则.md
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---
title: "最小权限原则"
type: concept
tags: [Security, IAM, Best-Practice]
date: 2026-04-19
---
## Definition
最小权限原则Least Privilege是安全最佳实践只授予完成任务所需的最小权限。
## Core Concept
> "We only want to allow the access that is strictly required."
只授予完成任务所需的最小权限,降低权限滥用和数据泄露风险。
## Implementation
- 从空白策略开始,逐步添加所需权限
- 定期审查和调整权限
- 使用资源级别限制特定资源而非广泛权限
- 避免使用通配符(*
## Related Concepts
- [[IAM-策略]]: 最小权限的应用对象
- [[IAM-用户]]: 需要最小权限管理的实体
## Role in Cloud Security
- 降低数据泄露影响范围
- 限制内部威胁
- 满足合规要求PCI-DSS、HIPAA、GDPR
## Connections
- [[最小权限原则]] ← guides ← [[IAM-策略]]