# Run contained pen testing as chaos experiments securely

DevFeed: [Run contained pen testing as chaos experiments securely](<https://devfeed.tech/articles/run-contained-pen-testing-as-chaos-experiments-securely-13490.md>)

Original publisher: [Read original article](<https://www.harness.io/blog/the-contained-pen-test-proving-resilience-without-widening-the-blast-radius>)

Author: Uma Mukkara

Published: 2026-09-09T22:42:00Z

Content type: article

Language: en

Sources: [Harness Blog](<https://devfeed.tech/sources/harness-blog.md>)

Topics: [Resilience](<https://devfeed.tech/topics/resilience.md>), [Security](<https://devfeed.tech/topics/security.md>), [Testing](<https://devfeed.tech/topics/testing.md>)

Tags: [chaos](<https://devfeed.tech/tags/chaos.md>), [permission](<https://devfeed.tech/tags/permission.md>), [pipeline](<https://devfeed.tech/tags/pipeline.md>), [production](<https://devfeed.tech/tags/production.md>), [resilience](<https://devfeed.tech/tags/resilience.md>), [security](<https://devfeed.tech/tags/security.md>), [testing](<https://devfeed.tech/tags/testing.md>), [tool](<https://devfeed.tech/tags/tool.md>)

## AI overview

The article describes contained pen-testing experiments that run inside a release pipeline. Each experiment targets one service, one failure or intrusion condition, and one pipeline stage, producing an immutable audit record while avoiding broad production access.

## Source excerpt

| Blog