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介绍了国内外已出现的各种移动电话欺诈手法,并对其进行了分析归类。介绍了对不同种类的欺诈行为进行侦测和预防的方法,对其中部分关键技术进行论述。针对其中的聚类分析方法给出了一种实用的快速算法。本文关于基于话单聚类分析进行反欺诈侦测的思想也适用于其它电信网。
This article introduces various kinds of mobile phone frauds that have appeared at home and abroad, and analyzes and classifies them. Introduced a method to detect and prevent different kinds of fraud, and discussed some of the key technologies. A fast and practical algorithm is given for the clustering analysis. The idea of anti-fraud detection based on bill clustering analysis is also applicable to other telecommunication networks.