AIFeb 11
The PBSAI Governance Ecosystem: A Multi-Agent AI Reference Architecture for Securing Enterprise AI EstatesJohn M. Willis
Enterprises are rapidly deploying large language models, retrieval augmented generation pipelines, and tool using agents into production, often on shared high performance computing clusters and cloud accelerator platforms that also support defensive analytics. These systems increasingly function not as isolated models but as AI estates: socio technical systems spanning models, agents, data pipelines, security tooling, human workflows, and hyperscale infrastructure. Existing governance and security frameworks, including the NIST AI Risk Management Framework and systems security engineering guidance, articulate principles and risk functions but do not provide implementable architectures for multi agent, AI enabled cyber defense. This paper introduces the Practitioners Blueprint for Secure AI (PBSAI) Governance Ecosystem, a multi agent reference architecture for securing enterprise and hyperscale AI estates. PBSAI organizes responsibilities into a twelve domain taxonomy and defines bounded agent families that mediate between tools and policy through shared context envelopes and structured output contracts. The architecture assumes baseline enterprise security capabilities and encodes key systems security techniques, including analytic monitoring, coordinated defense, and adaptive response. A lightweight formal model of agents, context envelopes, and ecosystem level invariants clarifies the traceability, provenance, and human in the loop guarantees enforced across domains. We demonstrate alignment with NIST AI RMF functions and illustrate application in enterprise SOC and hyperscale defensive environments. PBSAI is proposed as a structured, evidence centric foundation for open ecosystem development and future empirical validation.
AIOct 21, 2024
QIXAI: A Quantum-Inspired Framework for Enhancing Classical and Quantum Model Transparency and UnderstandingJohn M. Willis
The impressive performance of deep learning models, particularly Convolutional Neural Networks (CNNs), is often hindered by their lack of interpretability, rendering them "black boxes." This opacity raises concerns in critical areas like healthcare, finance, and autonomous systems, where trust and accountability are crucial. This paper introduces the QIXAI Framework (Quantum-Inspired Explainable AI), a novel approach for enhancing neural network interpretability through quantum-inspired techniques. By utilizing principles from quantum mechanics, such as Hilbert spaces, superposition, entanglement, and eigenvalue decomposition, the QIXAI framework reveals how different layers of neural networks process and combine features to make decisions. We critically assess model-agnostic methods like SHAP and LIME, as well as techniques like Layer-wise Relevance Propagation (LRP), highlighting their limitations in providing a comprehensive view of neural network operations. The QIXAI framework overcomes these limitations by offering deeper insights into feature importance, inter-layer dependencies, and information propagation. A CNN for malaria parasite detection is used as a case study to demonstrate how quantum-inspired methods like Singular Value Decomposition (SVD), Principal Component Analysis (PCA), and Mutual Information (MI) provide interpretable explanations of model behavior. Additionally, we explore the extension of QIXAI to other architectures, including Recurrent Neural Networks (RNNs), Long Short-Term Memory (LSTM) networks, Transformers, and Natural Language Processing (NLP) models, and its application to generative models and time-series analysis. The framework applies to both quantum and classical systems, demonstrating its potential to improve interpretability and transparency across a range of models, advancing the broader goal of developing trustworthy AI systems.