Nucleus Systems
Resources & knowledge hub

Thought leadership for software trust

Guides, whitepapers, checklists, and references that educate the market, support assessment readiness, and build confidence in the framework.

Whitepaper

NS-CTAF Executive Whitepaper

The case for code trust assurance intelligence, for boards and executives.

Coming soon
Guide

NS-CTAF Certification Guide

How the CTA-1 to CTA-4 certification programme works, end to end.

Coming soon
Checklist

Assessment Preparation Checklist

Get your evidence, scope, and teams ready before assessment.

Coming soon
Guide

Buyer’s Guide to Software Trust

For procurement and vendor-risk teams evaluating software suppliers.

Coming soon
Guide

SBOM & Dependency Assurance Guide

Practical guidance on SBOMs, CVE correlation, and supply-chain control.

Coming soon
Guide

Secure Build Pipeline Guide

Signing, provenance, reproducible builds, and SLSA in practice.

Coming soon
Guide

AI-Generated Code Assurance Guide

Attribution, enhanced review, and trust classification for AI code.

Coming soon
Reference

NS-CTAF Glossary

Definitions for every term used across the framework.

Coming soon
FAQ

Frequently Asked Questions

Common questions on assessment, scoring, and certification.

Coming soon

Prepare for assessment with the right resources.

Get the executive whitepaper, certification guide, and readiness checklist.