Subex Blog

MARCH 7, 2025

Fraudsters exploit vulnerabilities in telecom networks to reroute international calls as local ones, thereby evading international tariffs. Bypass fraud results in substantial financial losses by evading international tariffs and rerouting calls.

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Subex Blog

MAY 21, 2025

At its core, SIMbox fraud (also known as interconnect bypass fraud ) exploits the price disparity between local and international call rates. Fraudsters use a device called a SIMbox, which contains multiple SIM cards purchased from various mobile network operators (MNOs). These SIMs act as the gatekeeper for international calls.

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Iconxsolutions

JANUARY 5, 2024

The Role of Wholesale Fraud Management Systems The typical response to these attacks is the deployment of a fraud detection system, usually based on analysis of data from signal record monitoring or call detail records (CDR). Traditionally these systems rely on a rules-based method for the identification of telecom fraud.

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