
guardrail
/ˈɡɑːrdreɪl/
a policy or technical control that limits unsafe, unauthorized, or out-of-scope behavior
guardrail in a sentence
“A spending guardrail blocked purchases above the approved amount.”
Origin of guardrail
French garder to protect + Latin regula straight bar, rule
Related Words
security sandbox
an isolated environment that restricts a program's access and limits the impact of mistakes
least privilege
the security principle of granting only the permissions needed for a specific task
autonomy calibration
matching an AI system's freedom to act with the task's risk, reversibility, and uncertainty
prompt injection
an attempt to make a model follow adversarial instructions that conflict with the intended task or policy
indirect prompt injection
adversarial instructions hidden in external content that a model reads through browsing, retrieval, files, or tools
prompt leakage
the unintended disclosure of hidden instructions, private context, or other prompt contents