Agent Security Guide: Least Privilege to Prevent Cascading Failures
blaizedsouza · x · 2026-08-22
In production, giving an agent excessive permissions can turn small bugs into major incidents. This post outlines a 'Least Privilege' checklist for agents: split tools into read, write, and admin scopes; grant only what the current step needs; expire scopes immediately after the step; ban shared admin tokens; review unused scopes weekly; and alert on upgrades. Core principle: Extra permission equals extra blast radius.
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