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Books > Computing & IT > Applications of computing > Databases > Data security & data encryption
Mission critical real-time systems often function in environments that cannot be modelled with static approaches. Because of their (externally-driven) wide dynamic range of system operation, the number of data elements to be processed in an arbitrary period is unknown at the time of system engineering (other than an extremely pessimistic worst case sense). While it may be possible to determine a theoretical upper bound on the number of data items, the construction and maintenance of system components to handle worst-case conditions can be prohibitively costly. To accommodate such dynamic mission critical real-time systems, it is useful to design computing systems that allow reconfiguration and reallocation of resources by sharing a pool of distributed computational resources. Unfortunately, the problem of continuously providing critical system functions in such dynamic real-time environments is exacerbated when one considers attack vulnerability. The Internet has made mission critical real-time computer systems subject to an ever-changing array of attacks for which current defence mechanisms are insufficient. In order to combat intruders in this new environment, new techniques must be developed that enable decision makers to detect unusual behaviour in their systems, correlate anomalies into higher-level attacker goals, plan appropriate response actions, and execute their plans. This special book presents current work in this general area of real-time system security.
We live in a wired society, with computers containing and passing around vital information on both personal and public matters. Keeping this data safe is of paramount concern to all. Yet, not a day seems able to pass without some new threat to our computers. Unfortunately, the march of technology has given us the benefits of computers and electronic tools, while also opening us to unforeseen dangers. Identity theft, electronic spying, and the like are now standard worries. In the effort to defend both personal privacy and crucial databases, computer security has become a key industry. A vast array of companies devoted to defending computers from hackers and viruses have cropped up. Research and academic institutions devote a considerable amount of time and effort to the study of information systems and computer security. Anyone with access to a computer needs to be aware of the developing trends and growth of computer security. To that end, this book presents a comprehensive and carefully selected bibliography of the literature most relevant to understanding computer security. Following the bibliography section, continued access is provided via author, title, and subject indexes. With such a format, this book serves as an important guide and reference tool in the defence of our computerised culture.
This book presents several novel approaches to model the interaction between the attacker and the defender and assess the security of Vehicular Ad Hoc Networks (VANETs). The first security assessment approach is based on the attack tree security assessment model, which leverages tree based methods to analyze the risk of the system and identify the possible attacking strategies the adversaries may launch. To further capture the interaction between the attacker and the defender, the authors propose to utilize the attack-defense tree model to express the potential countermeasures which could mitigate the system. By considering rational participants that aim to maximize their payoff function, the brief describes a game-theoretic analysis approach to investigate the possible strategies that the security administrator and the attacker could adopt. A phased attack-defense game allows the reader to model the interactions between the attacker and defender for VANET security assessment. The brief offers a variety of methods for assessing the security of wireless networks. Professionals and researchers working on the defense of VANETs will find this material valuable.
This book constitutes the thoroughly refereed post-worksop proceedings of the 7th International Workshop Radio Frequency Identification: Security and Privacy Issues. RFIDSec 2011, held in Amherst, Massachusetts, USA, in June 2011. The 12 revised full papers presented were carefully reviewed and selected from 21 initial submissions for inclusion in the book. The papers focus on minimalism in cryptography, on-tag cryptography, securing RFID with physics, and protocol-level security in RFID.
This book constitutes the refereed proceedings of the 8th International Conference on Trust and Privacy in Digital Business, TrustBus 2011, held in Toulouse, France, in August/September 2011 in conjunction with DEXA 2011. The 18 revised full papers presented were carefully reviewed and selected from numerous submissions. The papers are organized in the following topical sections: identity and trust management; security and privacy models for pervasive information systems; reliability and security of content and data; authentication and authorization in digital business; intrusion detection and information filtering; management of privacy and confidentiality; and cryptographic protocols/usability of security.
Attacking Network Protocols is a deep-dive into network vulnerability discovery from James Forshaw, Microsoft's top bug hunter. This comprehensive guide looks at networking from an attacker's perspective to help you find, exploit, and ultimately protect vulnerabilities.Part I starts with a rundown of networking basics and traffic capture, as it builds a foundation for analyzing a network. Part II moves on to protocol analysis, both static and dynamic; you'll learn about common protocol structures, cryptography, and protocol security, and how to reverse engineer code with IDA Pro, ILSpy, and Javasnoop. Part III focuses on finding and exploiting vulnerabilities, including an overview of common bug classes, fuzzing, debugging, exhaustion attacks, and how to develop custom tools. Forshaw ends with an overview of the best tools for analyzing and exploiting networks. By the book's end, you'll have a deep understanding of how to analyze network communication and where to look for vulnerabilities.You'll learn how to--Capture, manipulate, and spoof packets both passively and on the wire-Reverse engineer code, brute force passwords, and decrypt traffic-Exploit vulnerabilities with denial-of-service attacks, authentication and authorization bypasses, and memory corruptions-Use capture and analysis tools like IDA Pro, Wireshark, and CANAPE-Strengthen your exploits by rerouting network traffic, exploiting compression, and controlling data flowAttacking Network Protocols is a must-have for any penetration tester, bug hunter, or developer looking to exploit and secure network vulnerabilities.
This book is broken down into 6 parts. The first describes the emergence of a worldwide network of computers, here called Worldnet, and the practices that people have engaged in as a result. The second part describes the problem of electronic breakins. The third part deals with the phenomenon of worms. The fourth part deals with viruses. The fifth part of the book gives a glimpse of the worlds in which hackers live. The final part deals with the social context in which people make ethical and moral interpretations and propose new laws.
GUIDE TO NETWORK DEFENSE AND COUNTERMEASURES provides a thorough guide to perimeter defense fundamentals, including intrusion detection and firewalls. This trusted text also covers more advanced topics such as security policies, network address translation (NAT), packet filtering and analysis, proxy servers, virtual private networks (VPN), and network traffic signatures. Thoroughly updated, the new third edition reflects the latest technology, trends, and techniques including virtualization, VMware, IPv6, and ICMPv6 structure, making it easier for current and aspiring professionals to stay on the cutting edge and one step ahead of potential security threats. A clear writing style and numerous screenshots and illustrations make even complex technical material easier to understand, while tips, activities, and projects throughout the text allow you to hone your skills by applying what you learn. Perfect for students and professionals alike in this high-demand, fast-growing field, GUIDE TO NETWORK DEFENSE AND COUNTERMEASURES, Third Edition, is a must-have resource for success as a network security professional.
These are the proceedings of Eurocrypt 2008, the 27th Annual IACR Eu- crypt Conference. The conference was sponsored by the International Asso- ation for Cryptologic Research (www.iacr.org), this year in cooperation with Tubitak (www.tubitak.gov.tr). The Eurocrypt 2008 Program Committee (PC) consisted of 28 members whose names are listed on the next page. There were 163 papers submitted to the conference and the PC chose 31 of them. Each paper was assigned to at least three PC members, who either handled it themselves or assigned it to an external referee. After the reviews were submitted, the committee deliberated both online for severalweeks and?nally ina face-to-facemeetingheldinBristol. Papers were refereed anonymously, with PC papers having a minimum of ?ve reviewers. All of our deliberations were aided by theWeb Submission and- viewSoftware written and maintainedby Shai Halevi. In addition to noti?cation of the decision of the committee, authors received reviews; the default for any report given to the committee was that it should be available to the authors as well.
Here is a highly relevant book that covers a wide array of key aspects in information security. It constitutes the refereed proceedings of the 12th Australasian Conference on Information Security and Privacy held in Townsville, Australia in July 2007. The 33 revised full papers presented were carefully reviewed and selected from 132 submissions. The papers are organized in topical sections on stream ciphers, hashing, biometrics, secret sharing, cryptanalysis, public key cryptography, authentication, e-commerce, and security.
So much of what is commonplace today was once considered impossible, or at least wishful thinking. Laser beams in the operating room, cars with built-in guidance systems, cell phones with email access. There's just no getting around the fact that technology always has, and always will be, very cool. But technology isn't only cool; it's also very smart. That's why one of the hottest technological trends nowadays is the creation of smart homes. At an increasing rate, people are turning their homes into state-of-the-art machines, complete with more switches, sensors, and actuators than you can shake a stick at. Whether you want to equip your home with motion detectors for added security, install computer-controlled lights for optimum convenience, or even mount an in-home web cam or two purely for entertainment, the world is now your oyster. Ah, but like anything highly technical, creating a smart home is typically easier said than done. Thankfully, "Smart Home Hacks" takes the guesswork out of the process. Through a seemingly unending array of valuable tips, tools, and techniques, "Smart Home Hacks" explains in clear detail how to use Mac, Windows, or Linux to achieve the automated home of your dreams. In no time, you'll learn how to turn a loose collection of sensors and switches into a well-automated and well-functioning home no matter what your technical level may be. "Smart Home Hacks" covers a litany of stand-alone and integrated smart home solutions designed to enhance safety, comfort, and convenience in new and existing homes. Kitchens, bedrooms, home offices, living rooms, and even bathrooms are all candidates for smart automation and therefore are all addressed in"Smart Home Hacks," Intelligently written by engineering guru and George Jetson wannabe, Gordon Meyer, "Smart Home Hacks" leaves no stone unturned. From what to purchase to how to use your remote control, it's the ultimate guide to understanding and implementing complete or partial home automation.
This book constitutes the refereed proceedings of the Pacific Asia Workshop on Intelligence and Security Informatics, PAISI 2007, held in Chengdu, China in April 2007. Coverage includes crime analysis, emergency response and surveillance, intrusion detection, network security, data and text mining, cybercrime and information access and security, intrusion detection, network security, terrorism informatics and crime analysis.
This textbook is a concise introduction to the basic toolbox of structures that allow efficient organization and retrieval of data, key algorithms for problems on graphs, and generic techniques for modeling, understanding, and solving algorithmic problems. The authors aim for a balance between simplicity and efficiency, between theory and practice, and between classical results and the forefront of research. Individual chapters cover arrays and linked lists, hash tables and associative arrays, sorting and selection, priority queues, sorted sequences, graph representation, graph traversal, shortest paths, minimum spanning trees, optimization, collective communication and computation, and load balancing. The authors also discuss important issues such as algorithm engineering, memory hierarchies, algorithm libraries, and certifying algorithms. Moving beyond the sequential algorithms and data structures of the earlier related title, this book takes into account the paradigm shift towards the parallel processing required to solve modern performance-critical applications and how this impacts on the teaching of algorithms. The book is suitable for undergraduate and graduate students and professionals familiar with programming and basic mathematical language. Most chapters have the same basic structure: the authors discuss a problem as it occurs in a real-life situation, they illustrate the most important applications, and then they introduce simple solutions as informally as possible and as formally as necessary so the reader really understands the issues at hand. As they move to more advanced and optional issues, their approach gradually leads to a more mathematical treatment, including theorems and proofs. The book includes many examples, pictures, informal explanations, and exercises, and the implementation notes introduce clean, efficient implementations in languages such as C++ and Java.
Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. The stories about phishing attacks against banks are so true-to-life, it's chilling." --Joel Dubin, CISSP, Microsoft MVP in Security Every day, hackers are devising new ways to break into your network. Do you have what it takes to stop them? Find out in Hacker's Challenge 3. Inside, top-tier security experts offer 20 brand-new, real-world network security incidents to test your computer forensics and response skills. All the latest hot-button topics are covered, including phishing and pharming scams, internal corporate hacking, Cisco IOS, wireless, iSCSI storage, VoIP, Windows, Mac OS X, and UNIX/Linux hacks, and much more. Each challenge includes a detailed explanation of the incident--how the break-in was detected, evidence and clues, technical background such as log files and network maps, and a series of questions for you to solve. In Part II, you'll get a detailed analysis of how the experts solved each incident.
The common use of the Internet and cloud services in transmission of large amounts of data over open networks and insecure channels, exposes that private and secret data to serious situations. Ensuring the information transmission over the Internet is safe and secure has become crucial, consequently information security has become one of the most important issues of human communities because of increased data transmission over social networks. Digital Media Steganography: Principles, Algorithms, and Advances covers fundamental theories and algorithms for practical design, while providing a comprehensive overview of the most advanced methodologies and modern techniques in the field of steganography. The topics covered present a collection of high-quality research works written in a simple manner by world-renowned leaders in the field dealing with specific research problems. It presents the state-of-the-art as well as the most recent trends in digital media steganography.
This succinct book departs from other security literature by focusing exclusively on ways to secure Cisco routers, rather than the entire network. The rational is simple: If the router protecting a network is exposed to hackers, then so is the network behind it. This is a reference for protecting the protectors, and author Thomas Akin supplies all the tools necessary to turn a potential vulnerability into a strength.
I thank Sha? Goldwasser for chairing this conference and making all the necessaryarrangementsatMIT.Sha?inturnistremendouslygratefultoJoanne Talbot who coordinated the conference facilities, hotels, Web page, budgets, and the conference chair relentlessly and without a single complaint. Thank you Joanne. I thank Mihir Bellare for chairing the Steering Committee of TCC and the members of the committee (see the list in the pages that follow) for helping out with many issues concerning the conference, including the proceedings and the TCC Web-site. Finally a big thanks is due to Oded Goldreich who initiated this endeavor and pushed hard for it. Rehovot, Israel Moni Naor December 2003 Program Chair TCC 2004 VII External Referees Masayuki Abe Daniel Gottesman Jesper Buus Nielsen Luis van Ahn Jens Groth Adriana Palacio Michael Backes Shai Halevi Erez Petrank Boaz Barak Danny Harnik Benny Pinkas Amos Beimel Alejandro Hevia Tal Rabin Mihir Bellare Thomas Jakobsen Oded Regev Alexandra Boldyreva Markus Jakobsson Amit Sahai Harry Buhrman Ari Juels Jean-Pierre Seifert Christian Cachin Jonathan Katz Adam Smith Jan Camenisch Hugo Krawczyk Martijn Stam Claude Cr epeau Eyal Kushilevitz Yael Tauman Kalai Anand Desai Yehuda Lindell Michael Waidner Yan Zong Ding Anna Lysyanskaya John Watrous Yevgeniy Dodis Tal Malkin Douglas Wikstr] om Marc Fischlin David Meyer Bogdan Warinschi Juan Garay Ashwin Nayak Stephanie Wehner Rosario Gennaro Gregory Neven Ke Yang TCC Steering Committee Mihir Bellare (Chair) UCSD, USA ? Ivan Damg? ard Arhus University, Denmark Oded Goldreich Weizmann Institute, Israel and Radcli?e Institute, USA Sha? Goldwasser MIT, USA and Weizmann Institute, Israel"
Electronic commerce is changing the way that businesses and consumers interact with each other; the products they create, buy, and sell; and the way that they communicate, learn, and become informed. How can policymakers position their countries and themselves to take advantage of this new environment? How should policymaking adjust to a more global, more networked, and more information-rich marketplace where relationships and jurisdictions between the governments, businesses, and citizens of different countries increasingly overlap? How can governments effectively harness rapidly changing technologies and partner with both domestic and foreign private sectors to reap the greatest benefits for their constituents? This primer answers these questions using both general analysis and specific examples. It addresses in particular the needs of policymakers in emerging markets who must formulate and refine policies that affect e-commerce in areas ranging from telecommunications and finance to international trade and domestic distribution as well as taxation and privacy. Companies considering doing business in these economies also will find that the examples offer insights into the issues that policymakers face, the different policy approaches that they choose, and the market opportunities that result as more and more economies embrace global electronic commerce.
Cryptography is a vital technology that underpins the security of information in computer networks. This book presents a comprehensive introduction to the role that cryptography plays in providing information security for everyday technologies such as the Internet, mobile phones, Wi-Fi networks, payment cards, Tor, and Bitcoin. This book is intended to be introductory, self-contained, and widely accessible. It is suitable as a first read on cryptography. Almost no prior knowledge of mathematics is required since the book deliberately avoids the details of the mathematics techniques underpinning cryptographic mechanisms. Instead our focus will be on what a normal user or practitioner of information security needs to know about cryptography in order to understand the design and use of everyday cryptographic applications. By focusing on the fundamental principles of modern cryptography rather than the technical details of current cryptographic technology, the main part this book is relatively timeless, and illustrates the application of these principles by considering a number of contemporary applications of cryptography. Following the revelations of former NSA contractor Edward Snowden, the book considers the wider societal impact of use of cryptography and strategies for addressing this. A reader of this book will not only be able to understand the everyday use of cryptography, but also be able to interpret future developments in this fascinating and crucially important area of technology.
This book deals with malware detection in terms of Artificial Immune System (AIS), and presents a number of AIS models and immune-based feature extraction approaches as well as their applications in computer security * Covers all of the current achievements in computer security based on immune principles, which were obtained by the Computational Intelligence Laboratory of Peking University, China * Includes state-of-the-art information on designing and developing artificial immune systems (AIS) and AIS-based solutions to computer security issues * Presents new concepts such as immune danger theory, immune concentration, and class-wise information gain (CIG)
Das vorliegende Buch bietet eine strukturierte, gut lesbare Einfuhrung zu den wichtigsten Sicherheitsstandards im Internet. Hierzu zahlen bekannte Standards wie TLS, OpenPGP, S/MIME, SSH, IPsec und WPA, aber auch die versteckten Sicherheitsfeatures aus der Microsoft-Welt (PPTP, Kerberos), dem Mobilfunk, DNSSEC, Single-Sign-On-Protokollen und Datenformaten wie XML und JSON. Das Verstandnis fur diese Standards und deren Weiterentwicklung wird durch eine detaillierte Beschreibung der bekannten Angriffe vertieft, insbesondere fur TLS liegt hier umfangreiches Material vor. Die 5. Auflage wurde erheblich erweitert und aktualisiert. Neue Themen sind unter anderem die WLAN-Standards WPA2 und WPA3, die neue TLS-Version 1.3, Kerberos, Anti-SPAM-Techniken und moderne Single-Sign-On-Protokolle. Das Thema TLS wird voellig neu dargestellt, und die Kapitel zu E-Mail-Sicherheit und IPsec deutlich erweitert. Eine umfangreiche Einfuhrung in praktische Aspekte der Kryptographie macht dieses Buch ohne zusatzliche Literatur nutzbar.
Conquer complex and interesting programming challenges by building robust and concurrent applications with caches, cryptography, and parallel programming. Key Features Understand how to use .NET frameworks like the Task Parallel Library (TPL)and CryptoAPI Develop a containerized application based on microservices architecture Gain insights into memory management techniques in .NET Core Book DescriptionThis Learning Path shows you how to create high performing applications and solve programming challenges using a wide range of C# features. You'll begin by learning how to identify the bottlenecks in writing programs, highlight common performance pitfalls, and apply strategies to detect and resolve these issues early. You'll also study the importance of micro-services architecture for building fast applications and implementing resiliency and security in .NET Core. Then, you'll study the importance of defining and testing boundaries, abstracting away third-party code, and working with different types of test double, such as spies, mocks, and fakes. In addition to describing programming trade-offs, this Learning Path will also help you build a useful toolkit of techniques, including value caching, statistical analysis, and geometric algorithms. This Learning Path includes content from the following Packt products: C# 7 and .NET Core 2.0 High Performance by Ovais Mehboob Ahmed Khan Practical Test-Driven Development using C# 7 by John Callaway, Clayton Hunt The Modern C# Challenge by Rod Stephens What you will learn Measure application performance using BenchmarkDotNet Leverage the Task Parallel Library (TPL) and Parallel Language Integrated Query (PLINQ)library to perform asynchronous operations Modify a legacy application to make it testable Use LINQ and PLINQ to search directories for files matching patterns Find areas of polygons using geometric operations Randomize arrays and lists with extension methods Use cryptographic techniques to encrypt and decrypt strings and files Who this book is forIf you want to improve the speed of your code and optimize the performance of your applications, or are simply looking for a practical resource on test driven development, this is the ideal Learning Path for you. Some familiarity with C# and .NET will be beneficial.
Among the tests you perform on web applications, security testing is perhaps the most important, yet it's often the most neglected. The recipes in the Web Security Testing Cookbook demonstrate how developers and testers can check for the most common web security issues, while conducting unit tests, regression tests, or exploratory tests. Unlike ad hoc security assessments, these recipes are repeatable, concise, and systematic-perfect for integrating into your regular test suite. Recipes cover the basics from observing messages between clients and servers to multi-phase tests that script the login and execution of web application features. By the end of the book, you'll be able to build tests pinpointed at Ajax functions, as well as large multi-step tests for the usual suspects: cross-site scripting and injection attacks. This book helps you: Obtain, install, and configure useful-and free-security testing tools Understand how your application communicates with users, so you can better simulate attacks in your tests Choose from many different methods that simulate common attacks such as SQL injection, cross-site scripting, and manipulating hidden form fields Make your tests repeatable by using the scripts and examples in the recipes as starting points for automated tests Don't live in dread of the midnight phone call telling you that your site has been hacked. With Web Security Testing Cookbook and the free tools used in the book's examples, you can incorporate security coverage into your test suite, and sleep in peace. |
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