Principle of Least Privilege
A foundational principle in information security stating that every subject in a system should be granted only the minimum permissions necessary to perform its designated tasks. The principle was formally articulated by Jerome Saltzer and Michael Schroeder in 1975.
Core Facts
The Principle of Least Privilege holds that any principal should only be granted the minimum permissions necessary to complete its task.
The Principle of Least Privilege (PoLP) was formally proposed by Jerome Saltzer in 1975, requiring that each component in a system be granted only the minimum set of permissions necessary to complete its task.
The Principle of Least Privilege (PoLP) originates from the field of computer security in the 1970s and was proposed by Jerome Saltzer at MIT.
Timeline (last 90 days)
The principle of least privilege has been widely adopted by standards such as NIST SP 800-53 and ISO/IEC 27001.
Implementing the principle of least privilege on collaboration tools typically includes: disabling everyday use of global administrator accounts, enabling multi-factor authentication and hardware keys for administrator operations, setting up approval flows for private channel and file exports, and regularly auditing the OAuth scopes granted to third-party apps.
The principle of least privilege requires that each account and each integration app have only the minimum permissions necessary to complete its task, and that these be revoked regularly.
For access control, the principle of least privilege should be followed, multi-factor authentication (MFA) should be mandatory, and just-in-time authorization and audit log retention should be implemented for sensitive operations.
In terminal tools like Claude Code, the principle of least privilege manifests concretely as sandboxed file read/write scope, a command whitelist or manual confirmation mechanism, and explicit isolation from external network and payment/credential interfaces.
Developers can adopt a layered defense strategy: set up whitelists and human confirmation mechanisms at the tool-call layer, mandating secondary authorization for sensitive file operations; deploy monitoring separately at the output layer and the action layer, cross-checking model statements against actual behavior; and retain complete call logs for later tracing.
The principle of least privilege in Agent systems means that by default the model should not have read/write access to arbitrary paths or network access to arbitrary domains, but should operate only within explicitly declared scopes; high-risk actions such as deletion, external transmission and execution should introduce human-in-the-loop confirmation.
Granting each tool in the Agent the minimum necessary permissions, logging every step, and setting limits on steps and cost are key measures for ensuring an Agent can go live safely.
Network segmentation and the principle of least privilege are the foundational means of containing lateral movement within training clusters.
Fine-grained permission control refers to applying the principle of least privilege to the tools, APIs, and system resources that an AI model can invoke, for example restricting network egress, isolating the file system, and approving or logging each tool call.
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All Facts (20)
The Principle of Least Privilege holds that any principal should only be granted the minimum permissions necessary to complete its task.
90%VerifiedThe Principle of Least Privilege (PoLP) was formally proposed by Jerome Saltzer in 1975, requiring that each component in a system be granted only the minimum set of permissions necessary to complete its task.
90%VerifiedThe Principle of Least Privilege (PoLP) originates from the field of computer security in the 1970s and was proposed by Jerome Saltzer at MIT.
80%VerifiedThe principle of least privilege was proposed by Jerome Saltzer in 1975.
80%VerifiedAI Agent具备'规划-执行-反馈'的完整闭环能力，能自主拆解复杂任务、调用外部工具、持续迭代直到任务完成
80%VerifiedThe Principle of Least Privilege is a foundational principle in information security, requiring that system components possess only the minimum permissions necessary to complete the current task.
80%VerifiedThe Principle of Least Privilege (POLP) requires that any principal possess, at any moment, only the minimum set of permissions necessary to complete the current task.
75%VerifiedCommon protective measures against AI agents include input filtering, least-privilege access, sandbox isolation, and behavioral monitoring.
75%VerifiedAgents should be granted minimal privileges—for example, an agent that only needs to read logs should not have the ability to write to the database—and the clearer the permission boundaries, the more controllable the scope of damage in the event of a loss of control
75%VerifiedEvery expansion of AI capabilities is accompanied by an enlargement of the attack surface, which is essentially a trade-off between convenience and security.
75%VerifiedMulti-agent systems exhibit non-stationarity, as the optimal policy for each agent depends on the behavior of the other agents.
75%VerifiedThe research community has proposed solutions such as the "principle of least privilege," Human-in-the-Loop approval mechanisms, and sandboxed isolated execution environments to mitigate AI Agent security risks.
75%VerifiedSecurity control solutions for AI agents include the principle of least privilege, capability tokens (temporary authorization with time and scope restrictions), and tiered approval mechanisms.
70%VerifiedPlatforms replacing human review with AI are cost-efficient, but when AI makes mistakes users find themselves in a situation with no one to appeal to, creating an inherent tension between transparency and security.
70%VerifiedThe execution paths of AI agents are highly dynamic, making it difficult to statically declare all permission requirements before startup, and the traditional principle of least privilege is difficult to apply mechanically.
65%VerifiedThe principle of least privilege requires that every user, program, or service within a system be granted only the minimum access permissions necessary to perform their work.
65%VerifiedWhen integrating AI tools, the principle of need-based authorization and least privilege should be followed, with caution maintained for scenarios involving customer information and internal business data.
65%VerifiedThe principle of least privilege is considered one of the core ideas in agent security, meaning an agent should only be granted the minimum permissions necessary to complete its task.
65%VerifiedThe Principle of Least Privilege (PoLP) is a foundational tenet of information security spanning decades, stipulating that any system component should only be granted the minimum permissions necessary to complete its current task.
65%VerifiedAgents should follow the principle of least privilege, granting only the permissions necessary to complete the current task, combined with short-lived credentials and audit logs.
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