The plant-floor boundary: where OT safety meets IEC 62443.

In Lesson 5.4 of GROW Course 5 (Vertical Specialization), Doug Liles works through it with you. How agent autonomy stops at the OT safety boundary and why IEC 62443 governs it.

What you'll take away

- OT vs. IT

- The safety boundary

- IEC 62443

Chapters

(0:00) Cold open & the promise

(7:05) OT vs. IT

(14:10) The safety boundary

(21:15) IEC 62443

(28:21) Fail-safe design

(35:26) Artifacts for the plant

(42:31) The artifact & what to do Monday

Mentioned and cited

- IEC 62443

Study guide, slide deck, blog companion, infographic (free)

- https://fde.goodcombinator.ai/lessons/FDE_Lesson_5_4

Audio companion is AI-narrated using NotebookLM. Explainer video is human-produced.

Public release

This full FDE Certification audio lesson is available publicly as part of GROW by Good Combinator.

Continue in GROW Skills Library: https://goodcombinator.com/grow/library

Episode metadata

Show: GROW by Good Combinator

Course: Course 5 - Vertical Specialization

Lesson: 5.4

Season/Episode: 5/4

Runtime: 49:37

Access label: public-full-lesson

Source channel: spotify

Source audio: app/lessons/assets/course-5/5.4/5.4 Deep Dive Audio.m4a

Taxonomy: Domain=Vertical Specialization; Career stage=Senior FDE; Skill level=Advanced; Asset type=Lesson; Outcome=Deploy

CRM events: course_started, lesson_completed, cert_enrolled

Transcript and accessibility

Final transcript required before launch: https://goodcombinator.com/grow/courses/course-5/lesson-5.4/transcript

Accessibility requirement: reviewed audio, clear title, descriptive show notes, and transcript availability before launch.

Audio companion is AI-narrated using NotebookLM and disclosed here.

Credits

Host: Doug Liles

Producer: Good Combinator

Audio: NotebookLM AI narration (disclosed)