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Enterprise AI Administration

Fraud Risk Classifier

Model Details · Telecom AI Model Registry

Model Details

Fraud Risk Classifier

Algorithm: XGBoostAPPROVED DESIGN
Code
MDL-FRAUD-RISK
Version
v2.1
Owner
Head of Fraud Management
Governance owner
Model Risk Committee

Governance configuration shown for review and validation. Read-only.

Business purpose

Scores subscribers and events for SIM-box, recharge and roaming fraud risk.

Production-recommended design specification. This record does not mean the model has been trained, fitted, deployed or validated.

Technical specification

Model family
Gradient Boosted Decision Trees
Algorithm
XGBoost
Implementation library
XGBClassifier
Model type
Binary / Multiclass Classification
Explainability method
SHAP TreeExplainer

Implementation governance

Governance status
APPROVED DESIGN
Implementation status
MODEL DEVELOPMENT REQUIRED
Validation status
VALIDATION REQUIRED
Lifecycle stage
Design
Current performance
Not yet measured
Refresh cadence
Daily
Last reviewed
20 Aug 2026
Next review due
20 Nov 2026
Historical sample reference
Precision at top 1% 0.81 — earlier sample figure, kept for provenance only; not a validated model result.

Business

Mission area
Fraud & Revenue Assurance
Decision journey
fraud-revenue-assurance
Target variable
fraud_confirmed_flag
Output
Fraud risk score (0–1) per subscriber-day

Input features

Governed variables, in feature-rank order

  1. 1.fraud_anomaly_scoreUnsupervised anomaly score on calling and recharge behaviour (0–1).
  2. 2.duplicate_recharge_countRecharges reusing a voucher or repeating within 60 seconds, last 7 days.
  3. 3.Roaming usage flagAny roaming usage in month
  4. 4.usage_pattern_deviationDeviation of current usage from the subscriber's 90-day profile (z-score).

Related Intelligence

Linked governed records

Decision journey