# A Governed Execution Architecture Cuts Agent Attack Success From 98.3% to 7.7%

Interposing a planner, policy gate, executor and auditor between an agent and the operating system costs utility, and the paper measures how much.

- Published: 2026-10-01T06:20:51.871Z
- Canonical: https://polylog.news/ai/2026-10-01/a-governed-execution-architecture-cuts-agent-attack-success
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [arXiv cs.CR](https://arxiv.org/abs/2609.38224), [arXiv cs.CR](https://arxiv.org/abs/2609.38223)

Most agent defenses filter inputs. A preprint on separation of duties for privileged LLM agents argues the more consequential gap is on the other side, between a candidate action and its privileged side effects, because an agent that errs h…

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