AI Purple · Whitepaper

Glossary · Appendices

Glossary

Glossary from "AI Purple"

Author Conceived and directed by Gunnar Nordqvist; text written by AI agents under his direction.
Published 10 November 2026
Build number 2026.11
purple-team adversary-emulation ai-governance architecture-as-code ai-agents

This glossary defines the vocabulary of AI Purple, from the five stages of the purple loop and the degrees of delegation to the roles, records, measures and instruments that the chapters use. Each entry gives the book's own usage in one or two sentences and names the chapter where the term is defined or most used. Where a term is used in a sense the chapters do not support, it is left out rather than defined.

Entries are grouped alphabetically under their initial letter. An identifier in code formatting, such as SCN-* for scenario records, names a pattern: the wildcard stands for the number the organisation assigns to each record, and the book's examples use NR for Nordvik Region and HM for Hansa Mutual. The identifier families are listed under their own letters, and the entry for each says what the record is and where it is kept. Identifiers that are inherited from the earlier volumes keep their meaning there and are described here only as the loop uses them.

Levels, modes, stages and classes are defined in sets, so read an entry for a level or a class together with the entries it refers to. The book sets ceilings rather than single values: where an entry states a default, a profile may set a lower level, and the lowest ceiling that applies governs. Statements about instruments are attributed to the instrument and article cited, and are architectural implications, not legal advice.

Primary topics explored

  1. How to use this glossary
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About AI Purple

AI Purple is Book 9 of The Transformed Architecture. It takes the loop between the red team and the blue team as its subject and asks what happens when AI sits on both sides of the table: the five stages of the loop (target, emulate, observe, improve, verify), rules of engagement and safe emulation, continuous emulation, the independence principle, coverage as a claim that needs evidence, the loop's own AI and how to defend it, operating models, decision rights, regulation, and the people involved, for European enterprises and public authorities.

It builds on the conclusions of Architecture as Code, AI Governance, AI Platform and Security, AI Red Team, AI Threat, The Transformed Security Architect, AI Boss and AI Blue.

Who should read this

Chief information security officers, heads of security operations, red-team leads, penetration testers, SOC managers, detection engineers, purple-team coordinators and incident commanders, security and AI architects, boards and management bodies, procurement leads, works councils and unions, data protection and audit functions, and public-sector leaders.

Portrait of Gunnar Nordqvist

Gunnar Nordqvist

Conceived, directed and published the books of The Transformed Architecture.

Continue with the full chapter

Read the full chapter online

Glossary: Glossary in AI Purple gives the detailed explanations, practical examples and implementation patterns behind this summary.

This whitepaper belongs to “Appendices” and is one of 33 drawn from the manuscript.