Hacking VoIP

Hacking VoIP PDF Author: Himanshu Dwivedi
Publisher: No Starch Press
ISBN: 1593271638
Category : Computer networks
Languages : en
Pages : 236

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Book Description
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 VoIP

Hacking VoIP PDF Author: Himanshu Dwivedi
Publisher: No Starch Press
ISBN: 1593271638
Category : Computer networks
Languages : en
Pages : 236

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Book Description
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.

VoIP Hacks

VoIP Hacks PDF Author: Ted Wallingford
Publisher: "O'Reilly Media, Inc."
ISBN: 0596101333
Category : Computers
Languages : en
Pages : 326

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Book Description
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 Exposed VoIP: Voice Over IP Security Secrets & Solutions

Hacking Exposed VoIP: Voice Over IP Security Secrets & Solutions PDF Author: David Endler
Publisher: McGraw Hill Professional
ISBN: 0072263644
Category : Computers
Languages : en
Pages : 576

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Book Description
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

Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, Second Edition PDF Author: Mark Collier
Publisher: McGraw Hill Professional
ISBN: 0071798773
Category : Computers
Languages : en
Pages : 560

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Book Description
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

Securing VoIP Networks

Securing VoIP Networks PDF Author: Peter Thermos
Publisher: Pearson Education
ISBN: 0132702304
Category : Computers
Languages : en
Pages : 605

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Book Description
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

Asterisk Hacking PDF Author: Joshua Brashars
Publisher: Syngress
ISBN: 9780080554358
Category : Computers
Languages : en
Pages : 272

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Book Description
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.

Windows XP Hacks

Windows XP Hacks PDF Author: Preston Gralla
Publisher: "O'Reilly Media, Inc."
ISBN: 059655320X
Category : Computers
Languages : en
Pages : 576

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Book Description
A smart collection of insider tips and tricks, Windows XP Hacks, Second Edition covers the XP operating system from start to finish. Among the multitude of topics addressed, this must-have resource includes extensive coverage of hot-button issues such as: security web browsing controlling the control panel removing uninstallable XP components pop-up ads You'll also find timesaving hacks for file distribution; digital media, such as iTunes; and high-visibility web software, services, and exploits that have emerged since the book's last edition. Each hack in the book can be read easily in just a few minutes, saving countless hours of searching for the right answer.Now completely revised and updated to cover Service Pack 2 (SP2), the second edition of this bestseller carefully breaks down the new features that come with SP2, including IE pop-up blocker, Windows Firewall, and the new wireless client.Written by Preston Gralla, the compact and affordable Windows XP Hacks, Second Edition provides direct, hands-on solutions that can be applied to the challenges facing XP beginners, as well as the more experienced power user. Each year, Windows XP is pre-installed on 90 million PCs worldwide, making it the world's most popular operating system.

Implementing Cisco IOS Network Security (IINS)

Implementing Cisco IOS Network Security (IINS) PDF Author: Catherine Paquet
Publisher: Cisco Press
ISBN: 1587058839
Category : Computers
Languages : en
Pages : 625

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Book Description
Implementing Cisco IOS Network Security (IINS) is a Cisco-authorized, self-paced learning tool for CCNA® Security foundation learning. This book provides you with the knowledge needed to secure Cisco® routers and switches and their associated networks. By reading this book, you will gain a thorough understanding of how to troubleshoot and monitor network devices to maintain integrity, confidentiality, and availability of data and devices, as well as the technologies that Cisco uses in its security infrastructure. This book focuses on the necessity of a comprehensive security policy and how it affects the posture of the network. You will learn how to perform basic tasks to secure a small branch type office network using Cisco IOS® security features available through the Cisco Router and Security Device Manager (SDM) web-based graphical user interface (GUI) and through the command-line interface (CLI) on Cisco routers and switches. The author also provides, when appropriate, parallels with Cisco ASA appliances. Whether you are preparing for CCNA Security certification or simply want to gain a better understanding of Cisco IOS security fundamentals, you will benefit from the information provided in this book. Implementing Cisco IOS Network Security (IINS) is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com/go/authorizedtraining. Develop a comprehensive network security policy to counter threats against information security Configure routers on the network perimeter with Cisco IOS Software security features Configure firewall features including ACLs and Cisco IOS zone-based policy firewalls to perform basic security operations on a network Configure site-to-site VPNs using Cisco IOS features Configure IPS on Cisco network routers Configure LAN devices to control access, resist attacks, shield other network devices and systems, and protect the integrity and confidentiality of network traffic This volume is in the Certification Self-Study Series offered by Cisco Press®. Books in this series provide officially developed self-study solutions to help networking professionals understand technology implementations and prepare for the Cisco Career Certifications examinations.

Hacking For Dummies

Hacking For Dummies PDF Author: Kevin Beaver
Publisher: John Wiley & Sons
ISBN: 1118380959
Category : Computers
Languages : en
Pages : 414

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Book Description
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.

Handbook of Communications Security

Handbook of Communications Security PDF Author: F. Garzia
Publisher: WIT Press
ISBN: 1845647688
Category : Technology & Engineering
Languages : en
Pages : 681

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Book Description
Communications represent a strategic sector for privacy protection and for personal, company, national and international security. The interception, damage or lost of information during communication can generate material and non material economic damages from both a personal and collective point of view. The purpose of this book is to give the reader information relating to all aspects of communications security, beginning at the base ideas and building to reach the most advanced and updated concepts. The book will be of interest to integrated system designers, telecommunication designers, system engineers, system analysts, security managers, technicians, intelligence personnel, security personnel, police, army, private investigators, scientists, graduate and postgraduate students and anyone that needs to communicate in a secure way.