---
answer: direct
beat: dev-practices
source: 1 article · updated: October 17, 2026
---

What should an evaluation team preserve after an agent behaves unexpectedly?

Keep enough evidence to reconstruct the event: timestamps, model and harness versions, tool calls, rejected actions, environment state, network and sandbox logs, monitor decisions and relevant checkpoints. Then verify containment and restore from a known-good baseline before resuming.

Answered in

NIST’s New AI Incident Playbook Starts After an Agent Crosses a Boundary

NIST, NSA and CISA offer ten voluntary practices for control incidents in frontier-model training and evaluation, from preparation through reporting.

Crashtech Editorial October 17, 2026 Development Best Practices

Read the full analysis

Other questions this article answers

More development best practices questions

Every answer on Crashtech is written by the editor of the article it comes from — never auto-summarised. Browse all answers or the Development Best Practices beat.