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