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The Product Security Engineer's Threat-Model-to-Mitigation Playbook

$199.00
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A focused course, tailored for you

The Product Security Engineer's Threat-Model-to-Mitigation Playbook

From product-spec review to shipped mitigation, the artefacts a Product Security Engineer at a billion-user platform actually writes.

The spec landed Friday. Launch is in six weeks. You have ninety minutes to write the threat model and decide what blocks launch.

$199 one-time
Tailored to your situation. Access within 24 hours. 30-day money-back.

Includes a hand-built implementation playbook delivered alongside course access, generated for your specific situation.

Why this course

Product Security Engineers at consumer platforms with hundreds of millions of users live in the gap between product velocity and abuse-case coverage. The PM ships specs daily. The data scientist ships experiments weekly. The SDK team integrates new third-party libraries monthly. Each one of those moments is a threat-model review, and each review has to produce four concrete artefacts under time pressure: a data-flow diagram with trust boundaries drawn correctly, a STRIDE-by-feature table that names the abuse cases the spec missed, a mitigation list with owner and deadline per finding, and a launch-blocker memo that holds up when the product GM pushes back. The reviews that go wrong are not the ones where the engineer missed a vulnerability class. They are the ones where the artefacts were too thin to drive an engineering bug, or too vague to survive the launch-bar conversation, or written in a vocabulary the PM and the SDK author do not share. This course is built around the artefacts, not the theory.

What you walk away with

  • Draw a trust-boundary-correct data-flow diagram for an SDK or webview integration in under thirty minutes.
  • Produce a STRIDE-by-feature table that names the abuse cases the PM and SDK author missed.
  • Write a mitigation list that maps each finding to an owner, a deadline, and a rollback path.
  • Draft a launch-blocker memo that holds up in a bar-raiser review with the product GM and engineering director.
  • Build and maintain an abuse-case catalogue per product surface that the next PSE on rotation can use cold.

The 12 modules

Module 1. The Friday-afternoon spec drop, structured
How to triage a freshly landed product spec under ninety minutes. The five questions to answer before opening the diagramming tool: what data class is involved, what identity model applies, what trust boundary is crossed, what reversibility exists, and what the launch date constrains. Output is a one-page triage memo that decides whether full threat modelling is needed or a lighter abuse-case pass is enough.
Module 2. Trust-boundary drawing for SDK and webview integrations
The data-flow diagram conventions that matter when a third-party SDK or in-app webview enters the picture. Where the trust boundary sits between the app process, the SDK, the partner backend, and the webview-hosted content. Worked examples of common mistakes: collapsing the SDK and the app into one trust zone, missing the cookie-store boundary on webview, ignoring the token issuer.
Module 3. STRIDE-by-feature, made fast
A STRIDE table that fits on one page per feature and actually drives engineering bugs. The shortcut: anchor the rows to the data-flow diagram elements, not to the STRIDE letters. Examples of how Spoofing on a token-exchange flow reads differently than Spoofing on an authenticated webview. Templates you can paste into the review doc.
Module 4. Abuse-case catalogues per product surface
How to build and maintain the per-surface abuse-case catalogue (login, payments, sharing, search, recommendation, generative AI surface). Each surface has recurring abuse patterns; the catalogue captures them so the next PSE on rotation can use it cold. Worked catalogue for one consumer-platform surface, plus templates for the other five.
Module 5. Permission scope and OAuth review
The permission-scope conversation with the PM. How to name the abuse case a scope opens up before approving it. Token-exchange flows: authorization code with PKCE, refresh token rotation, on-behalf-of, device authorization. The two-line memo that explains why a requested scope is broader than the use case.
Module 6. Third-party SDK and library review
The intake review for a new SDK or open-source library entering the product. What to ask the vendor or maintainer. How to document the trust assumption you are taking on. The kill-switch and rollback plan that has to exist before the SDK ships. A short worked example of an SDK review that surfaced an unexpected data exfiltration path.
Module 7. Generative AI surface threat modelling
Prompt injection, training-data exfiltration, retrieval poisoning, jailbreak abuse, output-driven account takeover. How to write a threat model for a generative AI feature in the same vocabulary as the rest of the product. Mitigation patterns: output filtering, retrieval scoping, system-prompt hardening, abuse-rate monitoring.
Module 8. Mitigation-to-bug pipeline
Turning a threat-model finding into a bug the engineering team will actually fix. How to write the bug title, the reproduction steps, the owner assignment, the severity, the deadline. The follow-up pattern for findings that do not block launch but need to be tracked. Worked example of one threat model translated into eleven bugs across four teams.
Module 9. Launch-blocker memo
The memo that holds up when the product GM pushes back. Structure: finding, abuse case, blast radius, mitigation, residual risk, recommendation, decision-owner. How to write it so the engineering director, the product GM, and the legal lead all read it the same way. Examples of memos that worked and memos that lost the room.
Module 10. Bug-bar conversation with engineering leadership
The recurring conversation about severity definitions, owner accountability, and the standing bug bar. How to drive the bar upward without sounding theoretical. The artefacts that win the conversation: a quarterly abuse-case retrospective, a launch-blocker post-mortem, a severity calibration memo. The political moves to avoid.
Module 11. Cross-functional escalation
When the PM, the SDK author, or the partner team will not accept the mitigation. The escalation ladder: peer engineering manager, product director, security lead, legal lead. How to write the escalation memo so it lands as risk-owner clarification, not as a complaint. The two patterns that produce decisions versus the four that produce silence.
Module 12. Per-surface scorecard and quarterly review
The artefacts that prove the surface you own is in a defensible state. Quarterly threat-model coverage scorecard. Open-finding aging report. Top abuse-case trends. The one-slide summary that goes into the product organisation's quarterly review. Templates for each artefact and a worked example for one surface.

How this addresses your situation

Specific modules that map to what you said you are dealing with.

Friday afternoon, fresh spec in the queue, six weeks to launch, ninety minutes to triage.
Tuesday SDK intake call, new third-party library, partner pushing for a four-week review window.
Wednesday product GM meeting, launch-blocker memo on the table, engineering director not yet on board.
Monthly abuse-case retrospective with engineering and legal, two new abuse classes to add to the catalogue.

What you get with this course

  • Twelve written modules in the Art of Service learning environment, each with a worked example.
  • Downloadable templates for every artefact (triage memo, data-flow diagram conventions, STRIDE-by-feature table, abuse-case catalogue, launch-blocker memo, escalation memo, quarterly scorecard).
  • Hand-built implementation playbook tuned to your product surface, delivered alongside course access.
  • Worked example of one full threat-model review from spec drop through eleven engineering bugs.
  • 30-day money-back guarantee.

What you will have in hand by Day 1, Week 1, Month 1

Within 24 hours: learning environment account provisioned, all twelve modules unlocked, downloadable templates available.

Within 24 hours: hand-built implementation playbook tuned to your product surface delivered alongside course access.

Self-paced from there. Most engineers complete the course in two to three weeks at a few hours a week.

Before and after

Before

Threat-model reviews land late, the artefacts vary by reviewer, abuse-case catalogues live in heads not docs, launch-blocker memos lose the room.

After

Triage memo inside ninety minutes, STRIDE-by-feature table on one page, mitigation list with owners and deadlines, launch-blocker memo that holds the bar, per-surface scorecard the org actually reads.

What happens if you do not address this

The threat-model review that goes thin is the one that misses the abuse case shipped to a billion users. Every ad-hoc reviewer adds variance. Every uncatalogued abuse pattern means the next PSE on rotation starts cold. The cost is paid in post-launch incidents, not in review-meeting time.

Who it is for

Product Security Engineer or Senior Product Security Engineer working on a consumer platform, social product, marketplace, payments product, or consumer AI surface. Reviews product specs, threat-models new features, owns the abuse-case catalogue for one or more product surfaces, and writes the launch-blocker memos that gate releases. Familiar with STRIDE, data-flow diagrams, SDK and webview review, OAuth and token exchanges, permission models, and the engineering bug pipeline.

Who this is NOT for. Not for infrastructure security or corporate IT security engineers. Not for application security engineers who only review code after it ships. Not for compliance generalists who do not write threat models. Not for entry-level engineers who have not yet reviewed a product spec end-to-end.

How it arrives

Text-based course in the Art of Service learning environment, plus downloadable templates and worked examples for every module, plus the hand-built implementation playbook delivered alongside course access.

Time investment. Two to three weeks at a few hours per week, self-paced. Each module is 30 to 60 minutes of reading plus the template work.

Why $199 is the right number

Free OWASP and STRIDE primers explain the theory. Conference talks show one war story. Vendor whitepapers pitch a tool. None of them give you the artefact templates a Product Security Engineer ships in a real review cycle, and none give you a hand-built implementation playbook for your product surface.

FAQ

Is this aimed at app sec or infra sec?
Product security. The reviewer who sees the spec before code is written, draws the trust boundaries, and writes the launch-blocker memo.
Do I need to know STRIDE already?
Helpful but not required. Module 3 covers STRIDE-by-feature in the form the course uses. The course assumes you have reviewed at least one product spec before.
What does the implementation playbook cover?
Hand-built for your product surface. Names the recurring abuse patterns, the artefact templates pre-filled for your context, the escalation paths in your engineering organisation.
Is there a refund policy?
30-day money-back guarantee, no questions asked.

30-day money-back guarantee. If after a week of working through the materials this is not what you needed, reply to the receipt email and a full refund is processed. No questions, no forms.

Within 24 hours your account in the learning environment is provisioned and the tailored implementation playbook is delivered alongside it.

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