1. 1 VOIP Network Threats Let the subscribers beware Gerard Wilkes October 24, 2006

2. 2 VOIP Landscape IP networks are increasingly being used to carry voice, video, and other communication streams. New IP voice applications will emerge encouraging the further adoption of this technology. The combined services provide triple the attack targets and triples the risk.

3. 3 VOIP Protocols SIP – Call Signaling RTP – Message Transport RTCP – Control Protocol

4. 4 VOIP Vulnerabilities Eavesdropping – Sniffing SIP Signals Identity Spoofing – Call Redirection Identity and Toll Fraud – Stolen Credentials Call Integrity – Altered Voice Packets DOS – Against SIP, RTP

5. 5 Interception Attack

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