India, Dec. 27 -- The Andhra Pradesh cybercrime police have uncovered a large international cyber fraud network that used SIM box technology to target people across the country. The case came to light after the Department of Telecommunications filed a formal complaint, prompting a detailed investigation by state authorities.

A SIM box is a device that routes international calls through local SIM cards. This process helps fraudsters avoid approved international gateways and hide the true source of calls. Criminals often use this method to carry out phone-based scams while appearing to operate from within India.

Cyber Crime Superintendent of Police Adiraj Singh Rana said investigators detected 14 SIM box devices working as part of a wider...