<strong>Sidestep VoIP Catastrophe the Foolproof <em>Hacking Exposed</em> Way</strong></p>

"This book illuminates how remote users can probe, sniff, and modify your phones, phone switches, and networks that offer VoIP services. Most importantly, the authors offer solutions to mitigate the risk of deploying VoIP technologies." --Ron Gula, CTO of Tenable Network Security</p>

Block debilitating VoIP attacks by learning how to look at your network and devices through the eyes of the malicious intruder. <em>Hacking Exposed VoIP</em> shows you, step-by-step, how online criminals perform reconnaissance, gain access, steal data, and penetrate vulnerable systems. All hardware-specific and network-centered security issues are covered alongside detailed countermeasures, in-depth examples, and hands-on implementation techniques. Inside, you'll learn how to defend against the latest DoS, man-in-the-middle, call flooding, eavesdropping, VoIP fuzzing, signaling and audio manipulation, Voice SPAM/SPIT, and voice phishing attacks.</p>

Find out how hackers footprint, scan, enumerate, and pilfer VoIP networks and hardware

Fortify Cisco, Avaya, and Asterisk systems

Prevent DNS poisoning, DHCP exhaustion, and ARP table manipulation

Thwart number harvesting, call pattern tracking, and conversation eavesdropping

Measure and maintain VoIP network quality of service and VoIP conversation quality

Stop DoS and packet flood-based attacks from disrupting SIP proxies and phones

Counter REGISTER hijacking, INVITE flooding, and BYE call teardown attacks

Avoid insertion/mixing of malicious audio

Learn about voice SPAM/SPIT and how to prevent it

Defend against voice phishing and identity theft scams