Ecole d'ingénieur et centre de recherche en Sciences du numérique

SoK: Fraud in telephony networks

Sahin, Merve; Francillon, Aurélien; Gupta, Payas; Ahamad, Mustaque

EUROS&P 2017, 2nd IEEE European Symposium on Security and Privacy, April 26-28, 2017, Paris, France

Telephone networks first appeared more than a hundred years ago, long before transistors were invented. They, therefore, form the oldest large scale network that has grown to touch over 7 billion people. Telephony is now merging many complex technologies and because numerous services enabled by these technologies can be monetized, telephony attracts a lot of fraud. In 2015, a telecom fraud association study estimated that the loss of revenue due to global telecom fraud was worth 38 billion US dollars per year. Because of the convergence of telephony with the Internet, fraud in telephony networks can also have a negative impact on security of online services. However, there is little academic work on this topic, in part because of the complexity of such networks and their closed nature. This paper aims to systematically explore fraud in telephony networks. Our taxonomy differentiates the root causes, the vulnerabilities, the exploitation techniques, the fraud types and finally the way fraud benefits fraudsters. We present an overview of each of these and use CAller NAMe (CNAM) revenue share fraud as a concrete example to illustrate how our taxonomy helps in better understanding this fraud and to mitigate it.

Document Doi Bibtex

Titre:SoK: Fraud in telephony networks
Type:Conférence
Langue:English
Ville:Paris
Pays:FRANCE
Date:
Département:Sécurité numérique
Eurecom ref:5055
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Bibtex: @inproceedings{EURECOM+5055, doi = {http://dx.doi.org/10.1109/EuroSP.2017.40}, year = {2017}, title = {{S}o{K}: {F}raud in telephony networks}, author = {{S}ahin, {M}erve and {F}rancillon, {A}ur{\'e}lien and {G}upta, {P}ayas and {A}hamad, {M}ustaque}, booktitle = {{EUROS}\&{P} 2017, 2nd {IEEE} {E}uropean {S}ymposium on {S}ecurity and {P}rivacy, {A}pril 26-28, 2017, {P}aris, {F}rance }, address = {{P}aris, {FRANCE}}, month = {04}, url = {http://www.eurecom.fr/publication/5055} }
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