Battle of Wits: To What Extent Can Fraudsters Disguise Their Tracks in International bypass Fraud?
Anne Josiane Kouam, Aline Carneiro Viana, Alain Tchana · 2024
International bypass fraud, also known as SIMBox fraud, involves diverting international cellular voice traffic from regulated routes and rerouting it as local calls in the destination country. It has significantly affected cellular networks worldwide, generating $3.11 Billion of losses annually and threats to national security. Yet, SIMBox fraud remains an ongoing challenge, eluding operators detection due to the continual refinement of fraudulent behavior that is often overlooked in the design and validation of detection methods.