Long-form work for the people building this stuff.
Guides written by practitioners, blog posts that survive technical review, the live changelog. No filler, no listicles.
The R155 Type-Approval Evidence Pack: a 47-page primer
Everything you need to assemble a CSMS evidence pack — clause by clause — without re-running your last audit. Includes a printable mapping table and a sample dossier from a shipped program.
Mapping ISO/SAE 21434 §15 to your TARA artifacts
How to keep §15 supply-chain interface evidence in sync with your in-house damage and threat scenarios — without re-typing into a fourth document.
What shipped in TARA Workbench, May 2026
Question library now versioned. Attack tree mitigation overlays. R156 OTA manifest exporter. Eight smaller fixes called out.
From Excel TARAs to a workbench in three weeks
A migration playbook used by three pilot accounts. xlsx import, ID preservation, audit-grade migration trail, and a per-week breakdown of what to expect.
Defending a TARA in a UNECE type-approval review
Recorded session with a CSO from a Tier-1 walking through the evidence pack the auditor actually reads, in the order they read it.
Why R156 OTA governance is harder than R155
R155 is mostly process. R156 is process plus a manifest that has to outlive the engineer who wrote it. A short essay on why post-production audit is the harder bet.
Tier-1 supplier: 11-day reduction in dossier time
Anonymized case study of a Stuttgart-based Tier-1 running five concurrent R155 type-approvals on the workbench. Cycle-time numbers, integration choices, lessons.
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What shipped, what's next, what we learned from a real audit. No marketing emails.
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