Method and system for effectively preventing telecommunication fraud

Abstract

The invention provides a method and a system for effectively preventing telecommunication fraud. The method comprises the following steps that: S1: a mobile terminal receives an incoming call from a strange number; S2, whether the unfamiliar number incoming call in the step S1 is an official number or not is judged in the mobile terminal, if not, a normal answering step of the terminal is executed, and self-processing is performed according to a common unfamiliar number; if the number is the official number, the step S3 is executed; S3, the mobile terminal sends a verification request to an operator according to the official number judged in the step 2 so as to judge whether the official number incoming call is a real official number incoming call instead of a disguised official number; and S4, S5, S6. The method has the beneficial effects that private key signature data of a call initiated by an official number exist, and signature verification is carried out on a platform, which hasrelative credibility, of an operator, so that illegal criminal behaviors of telecommunication fraud implemented by forging the official number are effectively restrained.

Description

technical field [0001] The invention relates to the field of telecommunications, in particular to a method and system for effectively preventing telecommunications fraud. Background technique [0002] The current telecommunications fraud prevention scheme is mainly to collect the voice keywords or voiceprint features of the caller during the call and match them with the preset fraud-related keyword library or voiceprint feature library, so as to identify and calibrate the risk of the caller. [0003] The disadvantage of the existing technology is that the effectiveness of prevention and control is heavily dependent on the intelligence of the voice keyword matching algorithm and the accuracy of collection of biological characteristics such as voiceprint. Fraud methods are also advancing with the times. They will not use unchanging words to lure the victim, or even install a voice changer to confuse the victim. At this time, the matching scheme based on the preset characterist...

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of the existing technology is that the effectiveness of prevention and control is heavily dependent on the intelligence of the voice keyword matching algorithm and the accuracy of collection of biological characteristics such as voiceprint

Fraud methods are also advancing with the times. They will not use unchanging words to lure the victim, or even install a voice changer to confuse the victim. At this time, the matching scheme based on the preset characteristic values ​​mentioned above often does not work well. someone will be deceived

[0004] Generally speaking, everyone can maintain a certain degree of vigilance when calling from an unfamiliar number (that is, a non-contact number in the mobile phone), but scammers often pretend to be public prosecutors, banks, hospitals, etc. When receiving such calls, they often lose their ability to judge independently, and unconditionally choose to believe and cooperate with scammers

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