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.
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.
Description : Provides more than two hundred tips on ways to modify the Windows XP and Vista operating system, applications, and hardware associated with it.
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.
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
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
Description : 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
Description : Learn to hack your own system to protect against malicious attacks from outside Is hacking something left up to the bad guys? Certainly not! Hacking For Dummies, 5th Edition is a fully updated resource that guides you in hacking your system to better protect your network against malicious attacks. This revised text helps you recognize any vulnerabilities that are lurking in your system, allowing you to fix them before someone else finds them. Penetration testing, vulnerability assessments, security best practices, and other aspects of ethical hacking are covered in this book, including Windows 10 hacks, Linux hacks, web application hacks, database hacks, VoIP hacks, and mobile computing hacks. Additionally, you have access to free testing tools and an appendix detailing valuable tools and resources. Ethical hacking entails thinking like the bad guys to identify any vulnerabilities that they might find in your system—and fixing them before they do. Also called penetration testing, ethical hacking is essential to keeping your system, and all of its data, secure. Understanding how to perform effective ethical hacking can improve the safety of your network. Defend your system—and all of the data it holds—against the latest Windows 10 and Linux hacks Develop an effective ethical hacking plan that keeps your system safe Protect your web applications, databases, laptops, and smartphones by going beyond simple hacking strategies Leverage the latest testing tools and techniques when using ethical hacking to keep your system secure Hacking For Dummies, 5th Edition is a fully updated resource that guides you in hacking your own system to protect it—and it will become your go-to reference when ethical hacking is on your to-do list.
Description : The tenth anniversary edition of the world's bestselling computer security book! The original Hacking Exposed authors rejoin forces on this new edition to offer completely up-to-date coverage of today's most devastating hacks and how to prevent them. Using their proven methodology, the authors reveal how to locate and patch system vulnerabilities. The book includes new coverage of ISO images, wireless and RFID attacks, Web 2.0 vulnerabilities, anonymous hacking tools, Ubuntu, Windows Server 2008, mobile devices, and more. Hacking Exposed 6 applies the authors' internationally renowned computer security methodologies, technical rigor, and "from-the-trenches" experience to make computer technology usage and deployments safer and more secure for businesses and consumers. "A cross between a spy novel and a tech manual." --Mark A. Kellner, Washington Times "The seminal book on white-hat hacking and countermeasures . . . Should be required reading for anyone with a server or a network to secure." --Bill Machrone, PC Magazine "A must-read for anyone in security . . . One of the best security books available." --Tony Bradley, CISSP, About.com