V2EX least privilege

Least Privilege

释义 Definition

最小特权原则:一种安全原则,要求用户、程序或系统组件只被授予完成任务所必需的最少权限,并在不需要时及时收回,以降低误操作、滥用或被入侵后的损害范围。(也常称 Principle of Least Privilege, PoLP

发音 Pronunciation (IPA)

/list prvld/

例句 Examples

She follows least privilege by using a standard account for daily work.
她遵循最小特权原则,用普通账户处理日常工作。

Applying least privilege across services limits how far an attacker can move after a breach.
在各个服务中实施最小特权原则,可以限制攻击者在入侵后横向移动的范围。

词源 Etymology

Least 来自古英语,意为“最少的”;privilege 源自拉丁语 privilegium,原意与“特殊权利/特许”相关。组合成短语后,在现代信息安全与系统管理语境中表示“只给必要的权限”,强调用“最少”来约束“特权”,以降低风险。

相关词 Related Words

文献与著作 Literary & Notable Works

  • Saltzer & Schroeder, The Protection of Information in Computer Systems (1975)(经典安全原则论文,讨论并推广最小特权等原则)
  • NIST, SP 800-53(安全控制标准中多处强调最小特权及权限管理)
  • Microsoft, *Security Development Lifecycle (SDL)*(安全开发实践中将最小特权作为重要设计原则)
  • OWASP, *Application Security Verification Standard (ASVS)*(应用安全验证要求中涉及最小特权与权限最小化)
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