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Securing VoIP Networks
Author : Peter Thermos,Ari Takanen
Publisher : Pearson Education
Release Date : 2007-08-01
ISBN 10 : 0132702304
Pages : 384 pages
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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. 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

Securing VoIP
Author : Regis J. Jr (Bud) Bates
Publisher : Elsevier
Release Date : 2014-11-14
ISBN 10 : 0124171222
Pages : 220 pages
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Securing VoIP: Keeping Your VoIP Network Safe will show you how to take the initiative to prevent hackers from recording and exploiting your company’s secrets. Drawing upon years of practical experience and using numerous examples and case studies, technology guru Bud Bates discusses the business realities that necessitate VoIP system security and the threats to VoIP over both wire and wireless networks. He also provides essential guidance on how to conduct system security audits and how to integrate your existing IT security plan with your VoIP system and security plans, helping you prevent security breaches and eavesdropping. Explains the business case for securing VoIP Systems Presents hands-on tools that show how to defend a VoIP network against attack. Provides detailed case studies and real world examples drawn from the authors’ consulting practice. Discusses the pros and cons of implementing VoIP and why it may not be right for everyone. Covers the security policies and procedures that need to be in place to keep VoIP communications safe.

Securing VoIP Networks
Author : Peter Thermos,Ari Takanen
Publisher : Pearson Education
Release Date : 2007-08-01
ISBN 10 : 0132702304
Pages : 384 pages
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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. 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

How to Cheat at VoIP Security
Author : Thomas Porter, CISSP, CCNP, CCDA, CCS,Michael Gough
Publisher : Syngress
Release Date : 2011-04-18
ISBN 10 : 9780080553535
Pages : 432 pages
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The Perfect Reference for the Multitasked SysAdmin This is the perfect guide if VoIP engineering is not your specialty. It is the perfect introduction to VoIP security, covering exploit tools and how they can be used against VoIP (Voice over IP) systems. It gives the basics of attack methodologies used against the SIP and H.323 protocols as well as VoIP network infrastructure. * VoIP Isn’t Just Another Data Protocol IP telephony uses the Internet architecture, similar to any other data application. However, from a security administrator’s point of view, VoIP is different. Understand why. * What Functionality Is Gained, Degraded, or Enhanced on a VoIP Network? Find out the issues associated with quality of service, emergency 911 service, and the major benefits of VoIP. * The Security Considerations of Voice Messaging Learn about the types of security attacks you need to protect against within your voice messaging system. * Understand the VoIP Communication Architectures Understand what PSTN is and what it does as well as the H.323 protocol specification, and SIP Functions and features. * The Support Protocols of VoIP Environments Learn the services, features, and security implications of DNS, TFTP, HTTP, SNMP, DHCP, RSVP, SDP, and SKINNY. * Securing the Whole VoIP Infrastructure Learn about Denial-of-Service attacks, VoIP service disruption, call hijacking and interception, H.323-specific attacks, and SIP-specific attacks. * Authorized Access Begins with Authentication Learn the methods of verifying both the user identity and the device identity in order to secure a VoIP network. * Understand Skype Security Skype does not log a history like other VoIP solutions; understand the implications of conducting business over a Skype connection. * Get the Basics of a VoIP Security Policy Use a sample VoIP Security Policy to understand the components of a complete policy. Provides system administrators with hundreds of tips, tricks, and scripts to complete administration tasks more quickly and efficiently Short on theory, history, and technical data that ultimately is not helpful in performing their jobs Avoid the time drains associated with securing VoIP

Hacking VoIP
Author : Himanshu Dwivedi
Publisher : No Starch Press
Release Date : 2009
ISBN 10 : 1593271638
Pages : 232 pages
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Voice over Internet Protocol (VoIP) networks, the technology used to place phone calls through the Internet, suffer from the same security holes as standard IP networks. This book reviews the many possible VoIP attacks, and discusses the best defenses against them.

Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, Second Edition
Author : Mark Collier,David Endler
Publisher : McGraw Hill Professional
Release Date : 2013-12-20
ISBN 10 : 0071798773
Pages : 560 pages
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The latest techniques for averting UC disaster Establish a holistic security stance by learning to view your unified communications infrastructure through the eyes of the nefarious cyber-criminal. Hacking Exposed Unified Communications & VoIP, Second Edition offers thoroughly expanded coverage of today’s rampant threats alongside ready-to deploy countermeasures. Find out how to block TDoS, toll fraud, voice SPAM, voice social engineering and phishing, eavesdropping, and man-in-the-middle exploits. This comprehensive guide features all-new chapters, case studies, and examples. See how hackers target vulnerable UC devices and entire networks Defend against TDoS, toll fraud, and service abuse Block calling number hacks and calling number spoofing Thwart voice social engineering and phishing exploits Employ voice spam mitigation products and filters Fortify Cisco Unified Communications Manager Use encryption to prevent eavesdropping and MITM attacks Avoid injection of malicious audio, video, and media files Use fuzzers to test and buttress your VoIP applications Learn about emerging technologies such as Microsoft Lync, OTT UC, other forms of UC, and cloud and WebRTC

Voice over IP Security
Author : Angelos D. Keromytis
Publisher : Springer Science & Business Media
Release Date : 2011-03-30
ISBN 10 : 1441998667
Pages : 83 pages
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Voice over IP (VoIP) and Internet Multimedia Subsystem technologies (IMS) are rapidly being adopted by consumers, enterprises, governments and militaries. These technologies offer higher flexibility and more features than traditional telephony (PSTN) infrastructures, as well as the potential for lower cost through equipment consolidation and, for the consumer market, new business models. However, VoIP systems also represent a higher complexity in terms of architecture, protocols and implementation, with a corresponding increase in the potential for misuse. In this book, the authors examine the current state of affairs on VoIP security through a survey of 221 known/disclosed security vulnerabilities in bug-tracking databases. We complement this with a comprehensive survey of the state of the art in VoIP security research that covers 245 papers. Juxtaposing our findings, we identify current areas of risk and deficiencies in research focus. This book should serve as a starting point for understanding the threats and risks in a rapidly evolving set of technologies that are seeing increasing deployment and use. An additional goal is to gain a better understanding of the security landscape with respect to VoIP toward directing future research in this and other similar emerging technologies.

Practical VoIP Security
Author : Thomas Porter, CISSP, CCNP, CCDA, CCS
Publisher : Elsevier
Release Date : 2006-03-31
ISBN 10 : 9780080489551
Pages : 500 pages
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Voice Over IP (VoIP) phone lines now represent over 50% of all new phone line installations. Every one of these new VoIP phone lines and handsets must now be protected from malicious hackers because these devices now reside on the network and are accessible from the Internet just like any server or workstation. This book will cover a wide variety of the publicly available exploit tools and how they can be used specifically against VoIP (Voice over IP) Telephony systems. The book will cover the attack methodologies that are used against the SIP and H.323 protocols as well as VoIP network infrastructure. Significant emphasis will be placed on both attack and defense techniques. This book is designed to be very hands on and scenario intensive · More VoIP phone lines are being installed every day than traditional PBX phone lines · VoIP is vulnerable to the same range of attacks of any network device · VoIP phones can receive as many Spam voice mails as your e-mail can receive Spam e-mails, and as result must have the same types of anti-spam capabilities

Understanding Voice Over IP Security
Author : Alan B. Johnston,David M. Piscitello
Publisher : Artech House on Demand
Release Date : 2006
ISBN 10 :
Pages : 261 pages
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VoIP (voice over IP) networks are currently being deployed by enterprises, governments, and service providers around the globe. Today, the hottest topic with engineers in the field is how to secure these networks. The book teaches practitioners how to design a highly secure VoIP network, explains Internet security basics, such as attack types and methods, and more.

The 1st IEEE Workshop on VoIP Management and Security
Author : IEEE Workshop on VoIP Management and Security
Publisher : N.A
Release Date : 2006
ISBN 10 : 9781509094035
Pages : 329 pages
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Network Magazine
Author : N.A
Publisher : N.A
Release Date : 2005
ISBN 10 :
Pages : 329 pages
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Nortel Guide to VPN Routing for Security and VoIP
Author : James Edwards,Richard Bramante,Al Martin
Publisher : John Wiley & Sons
Release Date : 2006-11-29
ISBN 10 : 0470073004
Pages : 734 pages
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Here's your handbook to Nortel VPN Router If you're a beginning-to-intermediate-level networking professional, this guide lays the groundwork you need to establish and manage your network with VPN Router. Everything is here-hardware, software, laboratory set-ups, real-world examples, and, most importantly, advice gleaned from the authors' first-hand experiences. From understanding the equipment to deployment strategies, management and administration, authentication, and security issues, you'll gain a working knowledge of VPN Router. You will explore tunneling protocols, VoIP, troubleshooting, and exercises to help you apply the Nortel VPN Router in your own environment. This book prepares you to handle the project and provides a resource for future reference. Manage the complexities of Nortel's VPN Router Review the newest networking standards Become acquainted with all the tools in the Nortel VPN Router portfolio, and apply them to your organization's needs Deploy a VPN Router in a Small Office or Home Office (SOHO) network or a large corporate network Learn to apply security features such as a stateful firewall, Network Address Translation (NAT), port forwarding, and user and Branch Office Tunnel (BOT) termination Establish security for VoIP and roaming wireless connections Explore the Nortel VPN Client software, supported platforms, installation and configuration information, and basic VPN Client concepts Maximize the effectiveness of your Nortel VPN Router solution