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Journal Article Open Access Artificial Intelligence

Machine Learning-Augmented DevOps: Automated Anomaly Detection and Predictive Incident Management in High-Velocity Deployment Environments

The increasing velocity of software deployments enabled by mature CI/CD practices has outpaced the capacity of human operators to detect and respond to production incidents through manual monitoring. This paper explores the integration of machine learning techniques into DevOps operational pipelines — an emerging discipline termed AIOps — with particular focus on anomaly detection and predictive incident management. We present ML-DevOps, a reference architecture that integrates unsupervised anomaly detection models (Isolation Forest, LSTM Autoencoders) with supervised incident classifiers into a continuous delivery pipeline. The architecture is evaluated using a real-world dataset comprising 14 months of telemetry from a large e-commerce platform processing over 2 million daily transactions. ML-DevOps achieves a 91.3% anomaly detection precision and a 5.2-minute mean advance warning time before customer-impacting incidents, representing an 82% improvement over threshold-based alerting baselines. We further analyze model drift in the context of continuous deployment, demonstrating that retraining frequency must scale with deployment frequency to maintain detection accuracy. This work bridges the gap between machine learning research and DevOps practice, providing both an architectural blueprint and empirical evidence for AIOps integration.

Victoria Osei, Daniel Reinhardt, Yuki Tanaka, Fatima Al-Rashidi· Apr 2020· 589 citations
Journal Article Subscription Cybersecurity

Zero Trust Architecture Implementation in Enterprise Networks: A Comparative Study of Identity-Centric, Microsegmentation, and Software-Defined Perimeter Approaches

Zero Trust Architecture (ZTA) has emerged as the prevailing framework for enterprise network security in the aftermath of high-profile perimeter breach incidents, premised on the principle that no user, device, or network segment should be implicitly trusted regardless of its position relative to the network boundary. Despite widespread adoption of ZTA terminology, organizational implementations vary dramatically in scope, completeness, and operational effectiveness. This paper presents a comparative analysis of three primary ZTA implementation approaches -- Identity-Centric ZTA (exemplified by Google BeyondCorp), Microsegmentation-Based ZTA (exemplified by Illumio and Guardicore), and Software-Defined Perimeter ZTA (exemplified by Zscaler and Cloudflare Access) -- across eight enterprise deployments. Using a standardized ZTA Maturity Assessment Instrument (ZTMAI) comprising 47 control dimensions mapped to NIST SP 800-207, we evaluate each deployment against access policy granularity, continuous authentication coverage, lateral movement containment, data exfiltration prevention effectiveness, and operational complexity. Identity-Centric implementations achieve the highest ZTMAI scores in continuous authentication and data access governance dimensions but require substantial identity infrastructure investment. Microsegmentation delivers the strongest lateral movement containment (mean blast radius reduction of 91%) but incurs the highest policy management overhead. We provide a ZTA implementation selection framework based on organizational threat model, existing infrastructure, and engineering capacity.

Obiageli Chukwu, Malin Eriksson, Takuya Yamada, Amira El-Sayed· Apr 2020· 452 citations