Media praise for Hacking VoIP

"With VoIP rapidly proving to be a very cost-effective alternative to closed, proprietary network solutions, it is also shaping up to become the next white and black hacker battleground. Reading Himanshu's book supplies a meaningful education on the positive and negative opportunities that the technology can deliver developers, security professionals and users alike."
-- Mike Riley, Dr. Dobb's CodeTalk

"With a focused audience and a clear goal, the book does justice to a technology moving towards maturity even as it finds a growing acceptance in the enterprise."
-- Ganadeva Bandyopadhyay,

"I've never really thought about the subject and this book was a great introduction--not too light and a good read. I highly recommend it if you are remotely interested in the subject."
-- Joe Stagner, Microsoft's Opinionated Misfit Geek

"Hacking VoIP is a practical guide for evaluating and testing VoIP implementation in your enterprise. I liked the concept where the author focused just on "upper scale" deployments, making the book perfect for the system administrators that are getting deeper into the world of securing VoIP. "
-- Berislav Kucan, Help Net Security

"What a pleasant surprise. This is the best Hacking book I have ever read. "
-- Viken Derderian,

"The content is...presented clearly with excellent wording and just enough detail to get me started."
-- Henrik Lund Kramshoej, Kramses Blog

"Himanshu Dwivedi delves into the protocol elements of the technology, clearly defining how they work, and thoroughly explaining the various known threats and corresponding countermeasures."
-- William Frances Eardley IV, Security Mangement