Practical VoIP Security: Chapter 1, 'Introduction to VoIP Security'

Practical VoIP Security: Chapter 1, 'Introduction to VoIP Security'

Practical VoIP Security
Practical VoIP Security was written for the thousands of IT professionals -- from CIOs to circuit-switched telecom engineers -- who are now responsible for deploying and maintaining secure VoIP networks. This book explains the impact on your VoIP network of PSTN, SIP, H.323, firewalls, NAT, encryption and the regulatory environment. Coverage includes evaluation, design, integration and management of VoIP networking components, including IP telephones, gateways, gatekeepers, registration servers, media servers and proxy servers. Throughout the book, the authors rely on their extensive real-world experience to provide readers with practical applications and solutions.

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In this chapter:
The business of securing our private data is becoming more important and more relevant each day. Critical business systems can be compromised regularly and used for illegal purposes, and Gartner estimates that 60 percent of WLANs don't have their basic security functions enabled. As a result, the practice of information security has become more complex than ever. Organizations that interconnect with partners are beginning to take into account the security environment of those partners. Enterprises know that voice communications are vital and very often need to be secured, but what types of threats exist and how do you minimize the damage they can cause? Chapter 1 of Practical VoIP Security takes a look at what you need to know to secure your VoIP network.

Read more about VoIP security in this PDF.

Excerpted from Practical VoIP Security, First Edition, March 2006 by Thomas Porter and Jan Kanclirz, Jr. ISBN: 1-597-4906-01.
Copyright © 2006, Syngress. All rights reserved.


This was first published in August 2006