VOIP SECURITY:HOW TO PREVENT EAVESDROPPING ON CISCO IP PHONE CALLS

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Presented at SaintCon 2014 by

Dmitry Dessiatnikov

VoIP inherited security issues of the Internet protocol that did not exist in the PSTN systems. We will cover the security misconfigurations of the Cisco VoIP solution and demonstrate how attackers can abuse them to eavesdrop on the VoIP phone calls.