A method of identifying international fraudulent numbers

Abstract

The invention discloses a method for identifying an international fraud number. The method comprises the following steps: step 1, dividing all call records of the research day into a plurality of callgroups according to a calling international call area code and a called area; setting a plurality of investigation time-points on the day, and calculating the call volume of each call group at each investigation time-point; and when the call volume of one of the call groups exceeds a combined call volume dynamic alert value and is greater than or equal to a combined call volume sudden increase lower limit, writing the calling international call area code, the called area and the investigation time-point of the calling group into a day call volume sudden change record; and step 2, extracting the call record of a to-be-identified calling number on the research day, and judging whether the international call area code of the to-be-identified calling number, the area and the calling time exist in the day call volume sudden change record, and if exist, the to-be-identified calling number is a suspected international fraud number. The invention belongs to the technical field of information,and can control the international calls of which the call volume has a sudden change and accurately identify international fraud numbers.

Description

technical field [0001] The invention relates to a method for identifying international fraudulent numbers, which belongs to the field of information technology. Background technique [0002] In recent years, fraudulent calls have become the focus of information security issues of social concern. As the relevant national departments and operators have strengthened the supervision and rectification of domestic illegal calls, more illegal calls such as fraud have been transferred to international calls. There is a high proportion of fraudulent calls among international calls. [0003] Patent application CN201510740425.0 (application name: a method and device for preventing and controlling international fraudulent calls, application date: 2015-11-04, applicant: China Mobile Communications Group Corporation) discloses a method and device for preventing and controlling international fraudulent calls The method and device for prevention and control, including: collecting internati...

AI Technical Summary

Problems solved by technology

This technical solution needs to analyze and identify the call data of every international incoming call in the whole network. When the call volume from a certain country to a certain region increases suddenly, it will cause the resources of the server in this region to prevent and control international fraudulent calls. heavily occupied and consumed

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