Countermeasure of Telecom Network Fraud Investigation Based on Big Data

Table 1

Statistics of communication channels and the most frequently impersonated people.

Channel	Count	Percentage	Impersonated group	Count	Percentage
Telephone	469	40.12	Impersonating human resources	219	17.99
QQ	291	24.01	Impersonation of public security law	171	14.01
Classified information website	147	12.49	Impersonating a financial practitioner	156	12.39
SMS	153	11.98	Impersonating someone close	139	11.98
WeChat	59	5.21	Pretend to be a customer service on a shopping site	112	8.89