Learning from Change: Predictive Models for Incident Prevention in a Regulated IT Environment

• URL: http://arxiv.org/abs/2604.13462v1
• Date: Wed, 15 Apr 2026 04:33:46 GMT
• Title: Learning from Change: Predictive Models for Incident Prevention in a Regulated IT Environment
• Abstract summary: This study presents an incident predictive risk scoring approach at a large international bank.<n>We built the model with auditability and explainability in mind, applying SHAP values to provide feature-level insights.<n>Our results show that data-driven, interpretable models can outperform rule-based approaches.
• Score: 14.341540360996932
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Effective IT change management is important for businesses that depend on software and services, particularly in highly regulated sectors such as finance, where operational reliability, auditability, and explainability are essential. A significant portion of IT incidents are caused by changes, making it important to identify high-risk changes before deployment. This study presents a predictive incident risk scoring approach at a large international bank. The approach supports engineers during the assessment and planning phases of change deployments by predicting the potential of inducing incidents. To satisfy regulatory constraints, we built the model with auditability and explainability in mind, applying SHAP values to provide feature-level insights and ensure decisions are traceable and transparent. Using a one-year real-world dataset, we compare the existing rule-based process with three machine learning models: HGBC, LightGBM, and XGBoost. LightGBM achieved the best performance, particularly when enriched with aggregated team metrics that capture organisational context. Our results show that data-driven, interpretable models can outperform rule-based approaches while meeting compliance needs, enabling proactive risk mitigation and more reliable IT operations.

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