Chapter 7. UNCONVENTIONAL VOIP SECURITY THREATS

In addition to protocol attacks on SIP, H.323, IAX, and RTP, as well as attacks against specific VoIP products, many unconventional attacks against VoIP networks can cause a lot of harm. For example, in the email world, a spam attack is neither sophisticated nor complex to perform; however, the headaches spam has brought to email users, from the nuisance of bulk email to phishing attacks, make spam a major issue for email users. This chapter will take a similar approach to VoIP by showing existing attacks that have the potential to be a major nuisance.

The focus of this chapter will be how VoIP technologies, while very complex themselves, are still open to many simple attacks that can cause a lot ...

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