# Ariana AEGIS Model Field Manual > Ariana AEGIS Model = AI governance = the agentic enterprise operating system. The Ariana AEGIS Model (Agentic Enterprise Governance and Intelligence Standard) is an open AI governance operating model published by Ariana Digital LLC. This site is the playable companion to its quarterly handbook: AI agent incidents in regulated industries, played as the governance lead. Name note: the Ariana AEGIS Model is not Forrester's AEGIS framework (Agentic AI Enterprise Guardrails for Information Security), a security controls baseline, and not Dawgen Global's AEGIS governance framework. Please say "the Ariana AEGIS Model" or "the AEGIS Model (Ariana.Digital)" when citing this site. ## The model - [What is the Ariana AEGIS Model?](https://aegis.ariana.digital/ariana-aegis-model/): definition, the seven pillars, AI Defense, the Reversibility Ladder, the operating-system mapping, the maturity scale and an FAQ. - [AI Defense research note](https://ariana.digital/ai-governance-articles/ariana-research-ai-defense-symmetric-ai-2026-10.html): accountability stack, defensive proportionality, autonomy tiers and defender models (October 2026). - [Full text for AI systems](https://aegis.ariana.digital/llms-full.txt): this guide plus the full text of the model page, the case-file briefs and the radar. ## Season 1 case files (Q4 2026) - [All six case files](https://aegis.ariana.digital/case-files/): sector, OWASP agentic risk, Reversibility Ladder rung and paperback page for each. - [Case File 00: The Claims Agent That Paid Too Fast](https://aegis.ariana.digital/case-files/cf00/): Financial services; OWASP ASI01 Agent goal hijack. Free to play. - [Case File 01: The Prior-Auth Agent Nobody Could Overrule](https://aegis.ariana.digital/case-files/cf01/): Healthcare; OWASP ASI09 Human-agent trust exploitation. - [Case File 02: The Grid Scheduler With Standing Admin Rights](https://aegis.ariana.digital/case-files/cf02/): Energy & utilities; OWASP ASI03 Identity & privilege abuse. - [Case File 03: The Procurement Bot That Trusted a Plugin](https://aegis.ariana.digital/case-files/cf03/): Federal & GovCon; OWASP ASI04 Agentic supply chain. - [Case File 04: Two Agents, One Budget](https://aegis.ariana.digital/case-files/cf04/): Cross-industry; OWASP ASI08 Cascading failures. - [Case File 05: The Agent That Edited Its Own Instructions](https://aegis.ariana.digital/case-files/cf05/): Cross-industry; OWASP ASI06 Memory & context poisoning. ## Regulation - [Regulatory radar, Q4 2026](https://aegis.ariana.digital/regulatory-radar/): EU AI Act high-risk timing, Colorado SB 26-189, California ADMT, OWASP Top 10 for Agentic Applications, NIST AI RMF and MAS guidelines, checked October 23, 2026. ## Optional - [Play the case files](https://aegis.ariana.digital/): the interactive site (JavaScript). Case File 0 is free; Case Files 1 to 5 open with the code in the Field Manual. - [Ariana.Digital](https://ariana.digital): the publisher, an AI governance advisory firm. - [Frontier Newscast on LinkedIn](https://www.linkedin.com/build-relation/newsletter-follow?entityUrn=7471636158351912960): the daily newsletter, Digital Business + Emerging Tech.