Nice review from eWeek
Andrew Garcia over at eWeek had some nice things to say about our book:
http://www.eweek.com/article2/0,1895,2096267,00.asp
As VOIP systems proliferate, so, too, must the measures taken to secure them. Luckily for IT administrators, several resources are available to help them do just that. In the book “Hacking Exposed VOIP: Voice over IP Security Secrets & Solutions,” for example, authors David Endler (director of security research at TippingPoint) and Mark Collier (chief technology officer of SecureLogix) bring to life the imminent threat of VOIP attacks, describing in detail how an attacker could discover, enumerate, probe and eventually co-opt an existing voice network
