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Hacking VoIP
Author: Himanshu Dwivedi
Publisher: No Starch Press
ISBN: 1593271638
Pages: 232
Year: 2009
View: 688
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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 VoIP: Voice Over IP Security Secrets & Solutions
Author: David Endler, Mark Collier
Publisher: McGraw Hill Professional
ISBN: 0072263644
Pages: 539
Year: 2006-11-28
View: 1331
Read: 383
Sidestep VoIP Catastrophe the Foolproof Hacking Exposed Way "This book illuminates how remote users can probe, sniff, and modify your phones, phone switches, and networks that offer VoIP services. Most importantly, the authors offer solutions to mitigate the risk of deploying VoIP technologies." --Ron Gula, CTO of Tenable Network Security Block debilitating VoIP attacks by learning how to look at your network and devices through the eyes of the malicious intruder. Hacking Exposed VoIP shows you, step-by-step, how online criminals perform reconnaissance, gain access, steal data, and penetrate vulnerable systems. All hardware-specific and network-centered security issues are covered alongside detailed countermeasures, in-depth examples, and hands-on implementation techniques. Inside, you'll learn how to defend against the latest DoS, man-in-the-middle, call flooding, eavesdropping, VoIP fuzzing, signaling and audio manipulation, Voice SPAM/SPIT, and voice phishing attacks. Find out how hackers footprint, scan, enumerate, and pilfer VoIP networks and hardware Fortify Cisco, Avaya, and Asterisk systems Prevent DNS poisoning, DHCP exhaustion, and ARP table manipulation Thwart number harvesting, call pattern tracking, and conversation eavesdropping Measure and maintain VoIP network quality of service and VoIP conversation quality Stop DoS and packet flood-based attacks from disrupting SIP proxies and phones Counter REGISTER hijacking, INVITE flooding, and BYE call teardown attacks Avoid insertion/mixing of malicious audio Learn about voice SPAM/SPIT and how to prevent it Defend against voice phishing and identity theft scams
Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, Second Edition
Author: Mark Collier, David Endler
Publisher: McGraw Hill Professional
ISBN: 0071798773
Pages: 560
Year: 2013-12-20
View: 1153
Read: 851
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
VoIP Hacks
Author: Ted Wallingford
Publisher: "O'Reilly Media, Inc."
ISBN: 0596101333
Pages: 306
Year: 2006
View: 523
Read: 1160
Voice over Internet Protocol is gaining a lot of attention these days. Both practical and fun, this text provides technology enthusiasts and voice professionals with dozens of hands-on projects for building a VoIP network, including a softPBX.
Hacking For Dummies
Author: Kevin Beaver
Publisher: John Wiley & Sons
ISBN: 1118380959
Pages: 408
Year: 2013-01-10
View: 1080
Read: 215
Updated for Windows 8 and the latest version of Linux The best way to stay safe online is to stop hackers before they attack - first, by understanding their thinking and second, by ethically hacking your own site to measure the effectiveness of your security. This practical, top-selling guide will help you do both. Fully updated for Windows 8 and the latest version of Linux, Hacking For Dummies, 4th Edition explores the malicious hacker's mindset and helps you develop an ethical hacking plan (also known as penetration testing) using the newest tools and techniques. More timely than ever, this must-have book covers the very latest threats, including web app hacks, database hacks, VoIP hacks, and hacking of mobile devices. Guides you through the techniques and tools you need to stop hackers before they hack you Completely updated to examine the latest hacks to Windows 8 and the newest version of Linux Explores the malicious hackers's mindset so that you can counteract or avoid attacks completely Suggests ways to report vulnerabilities to upper management, manage security changes, and put anti-hacking policies and procedures in place If you're responsible for security or penetration testing in your organization, or want to beef up your current system through ethical hacking, make sure you get Hacking For Dummies, 4th Edition.
Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, Second Edition
Author: Mark Collier, David Endler
Publisher: McGraw Hill Professional
ISBN: 0071798773
Pages: 560
Year: 2013-12-20
View: 1051
Read: 1084
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
VoIP Hacks
Author: Theodore Wallingford
Publisher: "O'Reilly Media, Inc."
ISBN: 0596553536
Pages: 328
Year: 2005-12-22
View: 999
Read: 325
Voice over Internet Protocol (VoIP) is gaining a lot of attention these days, as more companies and individuals switch from standard telephone service to phone service via the Internet. The reason is simple: A single network to carry voice and data is easier to scale, maintain, and administer. As an added bonus, it's also cheaper, because VoIP is free of the endless government regulations and tariffs imposed upon phone companies. VoIP is simply overflowing with hack potential, and VoIP Hacks is the practical guide from O'Reilly that presents these possibilities to you. It provides dozens of hands-on projects for building a VoIP network, showing you how to tweak and customize a multitude of exciting things to get the job done. Along the way, you'll also learn which standards and practices work best for your particular environment. Among the quick and clever solutions showcased in the book are those for: gauging VoIP readiness on an enterprise network using SIP, H.323, and other signaling specifications providing low-layer security in a VoIP environment employing IP hardphones, analog telephone adapters, and softPBX servers dealing with and avoiding the most common VoIP deployment mistakes In reality, VoIP Hacks contains only a small subset of VoIP knowledge-enough to serve as an introduction to the world of VoIP and teach you how to use it to save money, be more productive, or just impress your friends. If you love to tinker and optimize, this is the one technology, and the one book, you must investigate.
Securing VoIP Networks
Author: Peter Thermos, Ari Takanen
Publisher: Pearson Education
ISBN: 0132702304
Pages: 384
Year: 2007-08-01
View: 427
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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
Asterisk Hacking
Author: Joshua Brashars
Publisher: Syngress
ISBN: 0080554350
Pages: 272
Year: 2007-08-13
View: 720
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Asterisk Hacking provides detials of techniques people may not be aware of. It teaches the secrets the bad guys already know about stealing personal information through the most common, seemingly innocuous, highway into computer networks: the phone system. This book provides detials to readers what they can do to protect themselves, their families, their clients, and their network from this invisible threat. Power tips show how to make the most out of the phone system for defense or attack. Contains original code to perform previously unthought of tasks like changing caller id, narrowing a phone number down to a specific geographic location, and more! See through the eyes of the attacker and learn WHY they are motivated, something not touched upon in most other titles.
VoIP and Unified Communications
Author: William A. Flanagan
Publisher: John Wiley & Sons
ISBN: 1118166035
Pages: 320
Year: 2012-02-27
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Read: 771
Translates technical jargon into practical business communications solutions This book takes readers from traditional voice, fax, video, and data services delivered via separate platforms to a single, unified platform delivering all of these services seamlessly via the Internet. With its clear, jargon-free explanations, the author enables all readers to better understand and assess the growing number of voice over Internet protocol (VoIP) and unified communications (UC) products and services that are available for businesses. VoIP and Unified Communications is based on the author's careful review and synthesis of more than 7,000 pages of published standards as well as a broad range of datasheets, websites, white papers, and webinars. It begins with an introduction to IP technology and then covers such topics as: Packet transmission and switching VoIP signaling and call processing How VoIP and UC are defining the future Interconnections with global services Network management for VoIP and UC This book features a complete chapter dedicated to cost analyses and payback calculations, enabling readers to accurately determine the short- and long-term financial impact of migrating to various VoIP and UC products and services. There's also a chapter detailing major IP systems hardware and software. Throughout the book, diagrams illustrate how various VoIP and UC components and systems work. In addition, the author highlights potential problems and threats to UC services, steering readers away from common pitfalls. Concise and to the point, this text enables readers—from novices to experienced engineers and technical managers—to understand how VoIP and UC really work so that everyone can confidently deal with network engineers, data center gurus, and top management.
Linksys WRT54G Ultimate Hacking
Author: Paul Asadoorian, Larry Pesce
Publisher: Syngress
ISBN: 0080556132
Pages: 412
Year: 2011-04-18
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This book will teach the reader how to make the most of their WRT54G series hardware. These handy little inexpensive devices can be configured for a near endless amount of networking tasks. The reader will learn about the WRT54G’s hardware components, the different third-party firmware available and the differences between them, choosing the firmware that is right for you, and how to install different third-party firmware distributions. Never before has this hardware been documented in this amount of detail, which includes a wide-array of photographs and complete listing of all WRT54G models currently available, including the WRTSL54GS. Once this foundation is laid, the reader will learn how to implement functionality on the WRT54G for fun projects, penetration testing, various network tasks, wireless spectrum analysis, and more! This title features never before seen hacks using the WRT54G. For those who want to make the most out of their WRT54G you can learn how to port code and develop your own software for the OpenWRT operating system. Never before seen and documented hacks, including wireless spectrum analysis Most comprehensive source for documentation on how to take advantage of advanced features on the inexpensive wrt54g platform Full coverage on embedded device development using the WRT54G and OpenWRT
Hacking Exposed Linux
Author: ISECOM
Publisher: McGraw Hill Professional
ISBN: 0071596429
Pages: 600
Year: 2007-08-22
View: 985
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The Latest Linux Security Solutions This authoritative guide will help you secure your Linux network--whether you use Linux as a desktop OS, for Internet services, for telecommunications, or for wireless services. Completely rewritten the ISECOM way, Hacking Exposed Linux, Third Edition provides the most up-to-date coverage available from a large team of topic-focused experts. The book is based on the latest ISECOM security research and shows you, in full detail, how to lock out intruders and defend your Linux systems against catastrophic attacks. Secure Linux by using attacks and countermeasures from the latest OSSTMM research Follow attack techniques of PSTN, ISDN, and PSDN over Linux Harden VoIP, Bluetooth, RF, RFID, and IR devices on Linux Block Linux signal jamming, cloning, and eavesdropping attacks Apply Trusted Computing and cryptography tools for your best defense Fix vulnerabilities in DNS, SMTP, and Web 2.0 services Prevent SPAM, Trojan, phishing, DoS, and DDoS exploits Find and repair errors in C code with static analysis and Hoare Logic
Gray Hat Hacking The Ethical Hackers Handbook, 3rd Edition
Author: Allen Harper, Shon Harris, Jonathan Ness, Chris Eagle, Gideon Lenkey, Terron Williams
Publisher: McGraw Hill Professional
ISBN: 0071742565
Pages: 720
Year: 2011-02-05
View: 329
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THE LATEST STRATEGIES FOR UNCOVERING TODAY'S MOST DEVASTATING ATTACKS Thwart malicious network intrusion by using cutting-edge techniques for finding and fixing security flaws. Fully updated and expanded with nine new chapters, Gray Hat Hacking: The Ethical Hacker's Handbook, Third Edition details the most recent vulnerabilities and remedies along with legal disclosure methods. Learn from the experts how hackers target systems, defeat production schemes, write malicious code, and exploit flaws in Windows and Linux systems. Malware analysis, penetration testing, SCADA, VoIP, and Web security are also covered in this comprehensive resource. Develop and launch exploits using BackTrack and Metasploit Employ physical, social engineering, and insider attack techniques Build Perl, Python, and Ruby scripts that initiate stack buffer overflows Understand and prevent malicious content in Adobe, Office, and multimedia files Detect and block client-side, Web server, VoIP, and SCADA attacks Reverse engineer, fuzz, and decompile Windows and Linux software Develop SQL injection, cross-site scripting, and forgery exploits Trap malware and rootkits using honeypots and SandBoxes
Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, Second Edition
Author: David Endler, Mark Collier
Publisher: McGraw-Hill Education
ISBN: 0071798765
Pages: 560
Year: 2013-12-16
View: 333
Read: 1039
The latest techniques for averting UC disaster “This book is a must-read for any security professional responsible for VoIP or UC infrastructure. This new edition is a powerful resource that will help you keep your communications systems secure.” —Dan York, Producer and Co-Host, Blue Box: The VoIP Security Podcast “The original edition, Hacking Exposed: Voice over IP Secrets & Solutions, provided a valuable resource for security professionals. But since then, criminals abusing VoIP and UC have become more sophisticated and prolific, with some high-profile cases ringing up huge losses. This book is a welcome update that covers these new threats with practical examples, showing the exact tools in use by the real attackers.” —Sandro Gauci, Penetration Tester and Security Researcher, Author of SIPVicious “Powerful UC hacking secrets revealed within. An outstanding and informative book. Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions walks the reader through powerful yet practical offensive security techniques and tools for UC hacking, which then informs defense for threat mitigation. The authors do an excellent job of weaving case studies and real-world attack scenarios with useful references. This book is essential for not only IT managers deploying UC, but also for security practitioners responsible for UC security.” —Jason Ostrom, UC Security Researcher, Stora SANS Institute, co-author, SEC540 class “After reading Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions, I was saddened to not have had this book published years ago. The amount of time and money I could have saved myself, and my clients, would have been enormous. Being a professional in an ITSP/MSP, I know firsthand the complexities and challenges involved with auditing, assessing, and securing VoIP-based networks. From the carrier level, right down to the managed PBX level, and everything in between, Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions is a de facto must-have book. For those learning VoIP security to those heavily involved in any VoIP-related capacity, this book is worth its weight in gold.” —J. Oquendo, Lead Security Engineer, E–Fensive Security Strategies “Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions, includes more sophisticated attack vectors focused on UC and NGN. The authors describe in depth many new tools and techniques such as TDoS and UC interception. Using these techniques, you will learn how you can identify the security problems of VoIP/UC. This book is a masterpiece.” —Fatih Ozavci, Senior Security Consultant at Sense of Security, Author of viproy “This book provides you with the knowledge you need to understand VoIP threats in reality. No doom and gloom, overhyped, never to happen in the real-world scenarios. You will understand the vulnerabilities, the risks, and how to protect against them.” —Shane Green, Senior Voice Security Analyst 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
Skype Hacks
Author: Andrew Sheppard
Publisher: "O'Reilly Media, Inc."
ISBN: 0596101899
Pages: 320
Year: 2006
View: 391
Read: 1067
"Tips & tools for cheap, fun, innovative phone service"--Cover.