A survey on fraud and service misuse in voice over IP (VoIP) networks |
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Authors: | Yacine Rebahi Mohamed Nassar Thomas Magedanz Olivier Festor[Author vitae] |
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Affiliation: | aFraunhofer Fokus, Kaiserin Augusta Allee 31, 10589 Berlin, Germany;bTechnische Universität Berlin, FR 5-14, Franklinstr. 28/29, D-10587 Berlin, Germany;cINRIA Research Center, Nancy - Grand Est 54602 Villers-Lès-Nancy, France |
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Abstract: | The migration from circuit-switched networks to packet-switched networks necessitates the investigation of related issues such as service delivery, QoS, security, and service fraud and misuse. The latter can be seen as a combination of accounting and security aspects. In traditional telecommunication networks, fraud accounts for annual losses at an average of 3%–5% of the operators’ revenue and still increasing at a rate of more than 10% yearly. It is also expected that in VoIP networks, the situation will be worse due to the lack of strong built-in security mechanisms, and the use of open standards. This paper discusses the fraud problem in VoIP networks and evaluates the related available solutions. |
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Keywords: | Security Fraud Service misuse VoIP Fraud detection Rule-based detection User profiling Neural networks Fraud data collection |
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