View Larger Image	Peter Thermos, Ari Takanen Addison-Wesley, Paperback, Published August 2007, 384 pages, ISBN 0321437349
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Read an excerpt: Chapter 7: Key Management Mechanisms       Excerpt provided courtesy of Addison-Wesley Professional. Copyright © Pearson Education, Addison-Wesley Professional. Written permission from the publisher is required for any use of this material.

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• Networking/Communications : VoIP
• Enterprise Computing : Security
• Networking/Communications : Network Management

• Addison-Wesley

In Securing VoIP Networks, two leading experts systematically review the security risks and vulnerabilities associated with VoIP networks and offer proven, detailed recommendations for securing them. Drawing on case studies from their own fieldwork, the authors address VoIP security from the perspective of real-world network implementers, managers, and security specialists. The authors identify key threats to VoIP networks, including eavesdropping, unauthorized access, denial of service, masquerading, and fraud; and review vulnerabilities in protocol design, network architecture, software, and system configuration that place networks at risk. They discuss the advantages and tradeoffs associated with protection mechanisms built into SIP, SRTP, and other VoIP protocols; and review key management solutions such as MIKEY and ZRTP. Next, they present a complete security framework for enterprise VoIP networks, and provide detailed architectural guidance for both service providers and enterprise users.

Table of Contents

1       Introduction

2       VoIP Architectures and Protocols

3       Threats and Attacks

4       VoIP Vulnerabilites

5       Signaling Protection Mechanisms

6       Media Protection Mechanisms

7       Key Management Mechanisms

8       VoIP and Network Security Controls

9       A Security Framework for Enterprise VoIP Networks

10     Provider Architectures and Security

11     Enterprise Architectures and Security

About the Author

Peter Thermos, Principal, Telcordia Technologies, has been providing consulting in the area of information security to commercial and government organizations for more than a decade. In his current position, Mr. Thermos acts as the lead technical expert on various tasks associated with information security and assurance including security risk assessments, standards and requirements development, network security architecture, and organizational security strategy. Peter is a frequent speaker at the Internet Security Conference, SANS, ISSWorld, 21st Century Communications World Forum, and VON.

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