Download or read book Ultimate Web Authentication Handbook written by Sambit Kumar Dash and published by Orange Education Pvt Ltd. This book was released on 2023-10-23 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical gateway to securing web applications with OIDC, OAuth, SAML, FIDO, and Digital Identity to. KEY FEATURES ● Dive into real-world practical hands-on experience with authentication protocols through sample code. ● Gain a programmer's perspective on cryptography, certificates, and their role in securing authentication processes. ● Explore a wide array of authentication protocols, including TLS, SAML, OAuth, OIDC, WebAuthn, and Digital Identity. ● Graded step-by-step guidance that simplifies complex concepts, making them accessible to programmers of all levels of expertise. DESCRIPTION In today's digital landscape, web apps evolve rapidly, demanding enhanced security. This Ultimate Web Authentication Handbook offers a comprehensive journey into this realm. Beginning with web authentication basics, it builds a strong foundation. You'll explore cryptography fundamentals, essential for secure authentication. The book delves into the connection between authentication and network security, mastering federated authentication via OAuth and OIDC protocols. You'll also harness multi-factor authentication's power and stay updated on advanced trends. The book expands on deepening your understanding of Java Web Token (JWT), FIDO 2, WebAuthn, and biometric authentication to fortify web apps against multifaceted threats. Moreover, you'll learn to use Identity and Access Management (IAM) solutions for constructing highly secure systems. Whether you're a developer, security enthusiast, or simply curious about web security, this book unlocks the secrets of secure online interactions. WHAT WILL YOU LEARN ● Comprehend Web Application Architectures and Enhance Security Measures. ● Implement Robust Web Security with Public Key Cryptography. ● Harness SAML, OAuth, and OIDC for Advanced User Authentication and Authorization. ● Strengthen Web App Security with Multi Factor Authentication. Transition to Passwordless Authentication with FIDO and Biometric Security. ● Stay Ahead with Insights into Digital Identity, Biometric Authentication, Post-Quantum Cryptography, and Zero Trust Architecture Trends. WHO IS THIS BOOK FOR? This book is for computer programmers, web application designers, and architects. Most Identity Management Products focus on the server components, while this book intends to serve numerous developers of client integrations who need a conceptual understanding of the standards. The sample applications are developed using Golang and Flutter Web. TABLE OF CONTENTS 1. Introduction to Web Authentication. 2. Fundamentals of Cryptography. 3. Authentication with Network Security. 4. Federated Authentication-I 5. Federated Authentication II (OAuth and OIDC) 6. Multifactor Authentication. 7. Advanced Trends in Authentication. Appendix A: The Go Programming Language Reference. Appendix B: The Flutter Application Framework. Appendix C: TLS Certificate Creation. Index.

Download or read book Ultimate Blockchain Security Handbook written by Taha Sajid and published by Orange Education Pvt Ltd. This book was released on 2023-10-07 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: Blockchain Security is not an option, it's a necessity. KEY FEATURES ● An in-depth examination of the security aspects of Bitcoin, Ethereum, and Hyperledger Fabric. ● Comprehensive coverage of smart contract vulnerabilities, attack analysis, and effective security measures. ● Leverage Blockchain Risk Management Framework for managing risks associated with blockchain technology ● Practical insights into testing and assessing the security of blockchain applications. ● Strategies and solutions for robust access control using blockchain-based identity and access management. ● Expert insights on identifying and categorizing risks using advanced threat modeling techniques. DESCRIPTION The Ultimate Blockchain Security Handbook will help you identify and remediate your Blockchain solution bugs before others do. Covering the latest threats and vulnerabilities, as well as effective mitigation strategies, it takes you on a journey from the security foundations of blockchain technology to implementing advanced security solutions for blockchain applications. It helps you identify, assess, and mitigate risks using a variety of tools and techniques, including threat modeling, penetration testing, vulnerability scanning, attack analysis, and security audits. It covers formal verification methods for testing smart contract code, with an application of the K semantic framework. It then explores a range of blockchain security solutions, including zero-knowledge proof architecture, access control design, establishment of robust public key infrastructures, and the implementation of security logging and monitoring tools to track activities effectively. WHAT WILL YOU LEARN ● Acquire proficiency in efficiently assessing and categorizing risks through comprehensive threat modeling exercises. ● Learn to conduct thorough audits of smart contracts and blockchain applications using diverse tools, formal verification methods, and established frameworks. ● Learn to design secure blockchain architectures by implementing cutting-edge techniques, including zero-knowledge proofs, access controls, PKI (Public Key Infrastructure), and robust security logging. ● Learn to take appropriate actions when encountering cryptocurrency-related internet scams, ensuring a safer digital environment. WHO IS THIS BOOK FOR? This book is tailored for blockchain developers, architects, security experts, software professionals, and researchers/cryptographers seeking in-depth knowledge of blockchain security. Whether you're building blockchain systems, strengthening security expertise, integrating blockchain into software, or delving into advanced research, this book equips you with essential skills and insights. TABLE OF CONTENTS 1. Blockchain Security Overview 2. Blockchain Security Variations 3. Attack Vectors Management on Blockchain 4. Blockchain Application Exploitation 5. Blockchain Application Audit 6. Blockchain Security Solution Index

Download or read book Ultimate SwiftUI Handbook for iOS Developers written by Dương Đình Bảo (James) Thăng and published by Orange Education Pvt Ltd. This book was released on 2023-10-03 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Build Intuitive, Stunning, and User-Centric Apps with SwiftUI KEY FEATURES ● Gradual progression of topics with clear explanations and practical exercises ● Hands-on guidance for creating stunning (UIs) ● Practical implementation of SwiftUI navigation features ● Benefit from industry best practices and tips throughout the book DESCRIPTION Ultimate SwiftUI Handbook for iOS Developers is your comprehensive introduction to SwiftUI, Apple's powerful UI framework. Designed for both aspiring app developers and seasoned programmers, this book equips you with the knowledge and skills to build stunning user interfaces and robust app functionalities. Starting from the basics, you'll learn the core concepts of SwiftUI and its seamless integration with the Swift programming language. With step-by-step tutorials and practical examples, you'll gain hands-on experience in creating interactive apps for iOS, macOS, watchOS, and tvOS. Not only does this book cover the fundamental principles of SwiftUI, but it also goes beyond the basics. Explore advanced topics such as networking with async-await, enabling smooth and responsive data fetching from remote servers. Dive into local storage techniques using UserDefault, CoreData, and File Manager to persist and manage data within your apps. With a focus on practical application, you'll discover how to design responsive layouts, handle user input, and implement state management techniques in your SwiftUI apps. Furthermore, you'll leverage SwiftUI's powerful animation capabilities to create visually appealing and engaging user experiences. Whether you're an independent developer, a student, or an aspiring professional, Ultimate SwiftUI Handbook for iOS Developers empowers you to bring your app ideas to life. By the end of this book, you'll be equipped with the necessary skills to build exceptional apps that seamlessly blend beautiful interfaces with efficient networking and local data storage. Embark on an exciting journey into the world of SwiftUI and unleash your creativity in building outstanding apps for Apple's platforms. Get ready to transform your app development skills with SwiftUI Essentials. WHAT WILL YOU LEARN ● Learn native iOS app building from foundations to pro-level ● Master state management in SwiftUI to build dynamic, feature rich and responsive iOS apps ● Unlock the ability to create stunning charts and graphs using the Swift Charts library Build and ship an app to the App Store WHO IS THIS BOOK FOR? This book targets anyone who loves app development with iOS and wants to bring their idea to life. This book is designed for aspiring iOS app developers or intermediate developers who are new to SwiftUI. No prior experience with SwiftUI or app development is required. Basic familiarity with Swift programming language and macOS/iOS environment will be beneficial but not mandatory. TABLE OF CONTENTS Chapter 1: Swift Language Chapter 2: Introduction to View in SwiftUI Chapter 3: Implementing Layout in SwiftUI Chapter 4: State, Binding, Property Wrapper, and Property Observer Chapter 5: Design Patterns with MVVM Chapter 6: Tab Bar, Navigation, and Compositional Layout Chapter 7: Networking with SwiftUI - Part 1 Chapter 8: Networking with SwiftUI - Part 2 Chapter 9: Local Storage with UserDefaults, CoreData, and File Manager Chapter 10: Construct Beautiful Charts with Swift Charts iOS 17 Appendix Index

Download or read book Ultimate Pentesting for Web Applications written by Dr. Rohit Gautam and published by Orange Education Pvt Ltd. This book was released on 2024-05-09 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: TAGLINE Learn how real-life hackers and pentesters break into systems. KEY FEATURES ● Dive deep into hands-on methodologies designed to fortify web security and penetration testing. ● Gain invaluable insights from real-world case studies that bridge theory with practice. ● Leverage the latest tools, frameworks, and methodologies to adapt to evolving cybersecurity landscapes and maintain robust web security posture. DESCRIPTION Discover the essential tools and insights to safeguard your digital assets with the "Ultimate Pentesting for Web Applications". This essential resource comprehensively covers ethical hacking fundamentals to advanced testing methodologies, making it a one-stop resource for web application security knowledge. Delve into the intricacies of security testing in web applications, exploring powerful tools like Burp Suite, ZAP Proxy, Fiddler, and Charles Proxy. Real-world case studies dissect recent security breaches, offering practical insights into identifying vulnerabilities and fortifying web applications against attacks. This handbook provides step-by-step tutorials, insightful discussions, and actionable advice, serving as a trusted companion for individuals engaged in web application security. Each chapter covers vital topics, from creating ethical hacking environments to incorporating proxy tools into web browsers. It offers essential knowledge and practical skills to navigate the intricate cybersecurity landscape confidently. By the end of this book, you will gain the expertise to identify, prevent, and address cyber threats, bolstering the resilience of web applications in the modern digital era. WHAT WILL YOU LEARN ● Learn how to fortify your digital assets by mastering the core principles of web application security and penetration testing. ● Dive into hands-on tutorials using industry-leading tools such as Burp Suite, ZAP Proxy, Fiddler, and Charles Proxy to conduct thorough security tests. ● Analyze real-world case studies of recent security breaches to identify vulnerabilities and apply practical techniques to secure web applications. ● Gain practical skills and knowledge that you can immediately apply to enhance the security posture of your web applications. WHO IS THIS BOOK FOR? This book is tailored for cybersecurity enthusiasts, ethical hackers, and web developers seeking to fortify their understanding of web application security. Prior familiarity with basic cybersecurity concepts and programming fundamentals, particularly in Python, is recommended to fully benefit from the content. TABLE OF CONTENTS 1. The Basics of Ethical Hacking 2. Linux Fundamentals 3. Networking Fundamentals 4. Cryptography and Steganography 5. Social Engineering Attacks 6. Reconnaissance and OSINT 7. Security Testing and Proxy Tools 8. Cross-Site Scripting 9. Broken Access Control 10. Authentication Bypass Techniques Index

Download or read book Web Application Security A Beginner s Guide written by Bryan Sullivan and published by McGraw Hill Professional. This book was released on 2011-12-06 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Security Smarts for the Self-Guided IT Professional “Get to know the hackers—or plan on getting hacked. Sullivan and Liu have created a savvy, essentials-based approach to web app security packed with immediately applicable tools for any information security practitioner sharpening his or her tools or just starting out.”—Ryan McGeehan, Security Manager, Facebook, Inc. Secure web applications from today's most devious hackers. Web Application Security: A Beginner's Guide helps you stock your security toolkit, prevent common hacks, and defend quickly against malicious attacks. This practical resource includes chapters on authentication, authorization, and session management, along with browser, database, and file security--all supported by true stories from industry. You'll also get best practices for vulnerability detection and secure development, as well as a chapter that covers essential security fundamentals. This book's templates, checklists, and examples are designed to help you get started right away. Web Application Security: A Beginner's Guide features: Lingo--Common security terms defined so that you're in the know on the job IMHO--Frank and relevant opinions based on the authors' years of industry experience Budget Note--Tips for getting security technologies and processes into your organization's budget In Actual Practice--Exceptions to the rules of security explained in real-world contexts Your Plan--Customizable checklists you can use on the job now Into Action--Tips on how, why, and when to apply new skills and techniques at work

Download or read book Strong authentication The Ultimate Step By Step Guide written by Gerardus Blokdyk and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Strong authentication The Ultimate Step-By-Step Guide.

Download or read book The Ultimate Multimedia Handbook written by Jessica Keyes and published by McGraw-Hill Companies. This book was released on 1997 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extensively updated and expanded to reach a wide audience hungry for information in the far-reaching field of multimedia, this new edition includes more than 20 chapters on Netscape Communications, multimedia on the Internet, the WWW, HTML and Java.

Download or read book Password Authentication for Web and Mobile Apps written by Dmitry Chestnykh and published by . This book was released on 2020-05-28 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Authenticating users with passwords is a fundamental part of web and mobile security. It is also the part that's easy to get wrong. This book is for developers who want to learn how to implement password authentication correctly and securely. It answers many questions that everyone has when writing their own authentication system or learning a framework that implements it. Store passwords securely What is the best password hashing function for your app? How many bytes of salt should you use? What is the optimal password hash length? How to encode and store hashes? When to pepper and encrypt hashes and how to do it securely? How to avoid vulnerabilities in bcrypt, PBKDF2, and scrypt, and which Argon2 version to use? How to update password hashes to keep up with Moore's law? How to enforce password quality? Remember users How to implement secure sessions that are not vulnerable to timing attacks and database leaks? Why is it a bad idea to use JWT and signed cookies for sessions? How to allow users to view and revoke sessions from other devices? Verify usernames and email addresses How to verify email addresses and why is it important? How Skype failed to do it and got hacked. How to avoid vulnerabilities caused by Unicode? How to disallow profanities and reserved words in usernames? Add multi-factor authentication How to implement two-factor authentication with TOTP and WebAuthn/U2F security keys How to generate recovery codes? How long should they be? How to rate limit 2FA and why not doing it breaks everything? Also... How to create accessible registration and log in forms? How to use cryptography to improve security and when to avoid it? How to generate random strings that are free from modulo bias? The book applies to any programming language. It explains concepts and algorithms in English and provides references to relevant libraries for popular programming languages.

Download or read book The Industrial Information Technology Handbook written by Richard Zurawski and published by CRC Press. This book was released on 2018-10-03 with total page 2656 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Industrial Information Technology Handbook focuses on existing and emerging industrial applications of IT, and on evolving trends that are driven by the needs of companies and by industry-led consortia and organizations. Emphasizing fast growing areas that have major impacts on industrial automation and enterprise integration, the Handbook covers topics such as industrial communication technology, sensors, and embedded systems. The book is organized into two parts. Part 1 presents material covering new and quickly evolving aspects of IT. Part 2 introduces cutting-edge areas of industrial IT. The Handbook presents material in the form of tutorials, surveys, and technology overviews, combining fundamentals and advanced issues, with articles grouped into sections for a cohesive and comprehensive presentation. The text contains 112 contributed reports by industry experts from government, companies at the forefront of development, and some of the most renowned academic and research institutions worldwide. Several of the reports on recent developments, actual deployments, and trends cover subject matter presented to the public for the first time.

Download or read book Handbook of Social Network Technologies and Applications written by Borko Furht and published by Springer Science & Business Media. This book was released on 2010-11-04 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt: Social networking is a concept that has existed for a long time; however, with the explosion of the Internet, social networking has become a tool for people to connect and communicate in ways that were impossible in the past. The recent development of Web 2.0 has provided many new applications, such as Myspace, Facebook, and LinkedIn. The purpose of Handbook of Social Network Technologies and Applications is to provide comprehensive guidelines on the current and future trends in social network technologies and applications in the field of Web-based Social Networks. This handbook includes contributions from world experts in the field of social networks from both academia and private industry. A number of crucial topics are covered including Web and software technologies and communication technologies for social networks. Web-mining techniques, visualization techniques, intelligent social networks, Semantic Web, and many other topics are covered. Standards for social networks, case studies, and a variety of applications are covered as well.

Download or read book Instrument Engineers Handbook written by Bela G. Liptak and published by CRC Press. This book was released on 2011-08-19 with total page 1142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Instrument Engineers' Handbook – Volume 3: Process Software and Digital Networks, Fourth Edition is the latest addition to an enduring collection that industrial automation (AT) professionals often refer to as the "bible." First published in 1970, the entire handbook is approximately 5,000 pages, designed as standalone volumes that cover the measurement (Volume 1), control (Volume 2), and software (Volume 3) aspects of automation. This fourth edition of the third volume provides an in-depth, state-of-the-art review of control software packages used in plant optimization, control, maintenance, and safety. Each updated volume of this renowned reference requires about ten years to prepare, so revised installments have been issued every decade, taking into account the numerous developments that occur from one publication to the next. Assessing the rapid evolution of automation and optimization in control systems used in all types of industrial plants, this book details the wired/wireless communications and software used. This includes the ever-increasing number of applications for intelligent instruments, enhanced networks, Internet use, virtual private networks, and integration of control systems with the main networks used by management, all of which operate in a linked global environment. Topics covered include: Advances in new displays, which help operators to more quickly assess and respond to plant conditions Software and networks that help monitor, control, and optimize industrial processes, to determine the efficiency, energy consumption, and profitability of operations Strategies to counteract changes in market conditions and energy and raw material costs Techniques to fortify the safety of plant operations and the security of digital communications systems This volume explores why the holistic approach to integrating process and enterprise networks is convenient and efficient, despite associated problems involving cyber and local network security, energy conservation, and other issues. It shows how firewalls must separate the business (IT) and the operation (automation technology, or AT) domains to guarantee the safe function of all industrial plants. This book illustrates how these concerns must be addressed using effective technical solutions and proper management policies and practices. Reinforcing the fact that all industrial control systems are, in general, critically interdependent, this handbook provides a wide range of software application examples from industries including: automotive, mining, renewable energy, steel, dairy, pharmaceutical, mineral processing, oil, gas, electric power, utility, and nuclear power.

Download or read book VoIP Handbook written by Syed A. Ahson and published by CRC Press. This book was released on 2018-10-08 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: The number of worldwide VoIP customers is well over 38 million. Thanks to the popularity of inexpensive, high-quality services, it's projected to increase to nearly 250 million within the next three years. The VoIP Handbook: Applications, Technologies, Reliability, and Security captures the state of the art in VoIP technology and serves as the comprehensive reference on this soon-to-be ubiquitous technology. It provides: A step-by-step methodology to evaluate VoIP performance prior to network implementation An invaluable overview of implementation challenges and several VoIP multipoint conference systems Unparalleled coverage of design and engineering issues such VoIP traffic, QoS requirements, and VoIP flow As this promising technology’s popularity increases, new demands for improved quality, reduced cost, and seamless operation will continue to increase. Edited by preeminent wireless communications experts Ahson and Illyas, the VoIP Handbook guides you to successful deployment.

Download or read book Instrument Engineers Handbook Volume 3 written by Bela G. Liptak and published by CRC Press. This book was released on 2018-10-08 with total page 1142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Instrument Engineers' Handbook – Volume 3: Process Software and Digital Networks, Fourth Edition is the latest addition to an enduring collection that industrial automation (AT) professionals often refer to as the "bible." First published in 1970, the entire handbook is approximately 5,000 pages, designed as standalone volumes that cover the measurement (Volume 1), control (Volume 2), and software (Volume 3) aspects of automation. This fourth edition of the third volume provides an in-depth, state-of-the-art review of control software packages used in plant optimization, control, maintenance, and safety. Each updated volume of this renowned reference requires about ten years to prepare, so revised installments have been issued every decade, taking into account the numerous developments that occur from one publication to the next. Assessing the rapid evolution of automation and optimization in control systems used in all types of industrial plants, this book details the wired/wireless communications and software used. This includes the ever-increasing number of applications for intelligent instruments, enhanced networks, Internet use, virtual private networks, and integration of control systems with the main networks used by management, all of which operate in a linked global environment. Topics covered include: Advances in new displays, which help operators to more quickly assess and respond to plant conditions Software and networks that help monitor, control, and optimize industrial processes, to determine the efficiency, energy consumption, and profitability of operations Strategies to counteract changes in market conditions and energy and raw material costs Techniques to fortify the safety of plant operations and the security of digital communications systems This volume explores why the holistic approach to integrating process and enterprise networks is convenient and efficient, despite associated problems involving cyber and local network security, energy conservation, and other issues. It shows how firewalls must separate the business (IT) and the operation (automation technology, or AT) domains to guarantee the safe function of all industrial plants. This book illustrates how these concerns must be addressed using effective technical solutions and proper management policies and practices. Reinforcing the fact that all industrial control systems are, in general, critically interdependent, this handbook provides a wide range of software application examples from industries including: automotive, mining, renewable energy, steel, dairy, pharmaceutical, mineral processing, oil, gas, electric power, utility, and nuclear power.

Download or read book Information Security Management Handbook written by Harold F. Tipton and published by CRC Press. This book was released on 2007-05-14 with total page 3280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considered the gold-standard reference on information security, the Information Security Management Handbook provides an authoritative compilation of the fundamental knowledge, skills, techniques, and tools required of today's IT security professional. Now in its sixth edition, this 3200 page, 4 volume stand-alone reference is organized under the C

Download or read book Basic Methods Handbook for Clinical Orthopaedic Research written by Volker Musahl and published by Springer. This book was released on 2019-02-01 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is designed to meet the needs of both novice and senior researchers in Orthopaedics by providing the essential, clinically relevant knowledge on research methodology that is sometimes overlooked during training. Readers will find a wealth of easy-to-understand information on all relevant aspects, from protocol design, the fundamentals of statistics, and the use of computer-based tools through to the performance of clinical studies with different levels of evidence, multicenter studies, systematic reviews, meta-analyses, and economic health care studies. A key feature is a series of typical case examples that will facilitate use of the volume as a handbook for most common research approaches and study types. Younger researchers will also appreciate the guidance on preparation of abstracts, poster and paper presentations, grant applications, and publications. The authors are internationally renowned orthopaedic surgeons with extensive research experience and the book is published in collaboration with ISAKOS.

Download or read book CRC Handbook of Modern Telecommunications written by Patricia A. Morreale and published by CRC Press. This book was released on 2018-09-03 with total page 679 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addressing the most dynamic areas of the ever-changing telecommunications landscape, the second edition of the bestselling CRC Handbook of Modern Telecommunications once again brings together the top minds and industry pioneers in wireless communication networks, protocols, and devices. In addition to new discussions of radio frequency identification (RFID) and wireless sensor networks, including cognitive radio networks, this important reference systematically addresses network management and administration, as well as network organization and governance, topics that have evolved since the development of the first edition. Extensively updated and expanded, this second edition provides new information on: Wireless sensor networks RFID Architectures Intelligent Support Systems Service delivery integration with the Internet Information life cycle and service level management Management of emerging technologies Web performance management Business intelligence and analytics The text details the latest in voice communication techniques, advanced communication concepts, network organization, governance, traffic management, and emerging trends. This comprehensive handbook provides telecommunications professionals across all fields with ready access to the knowledge they require and arms them with the understanding of the role that evolving technologies will play in the development of the telecommunications systems of tomorrow.

Download or read book Computer Security Handbook Set written by Seymour Bosworth and published by John Wiley & Sons. This book was released on 2014-03-24 with total page 2353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer security touches every part of our daily lives from our computers and connected devices to the wireless signals around us. Breaches have real and immediate financial, privacy, and safety consequences. This handbook has compiled advice from top professionals working in the real world about how to minimize the possibility of computer security breaches in your systems. Written for professionals and college students, it provides comprehensive best guidance about how to minimize hacking, fraud, human error, the effects of natural disasters, and more. This essential and highly-regarded reference maintains timeless lessons and is fully revised and updated with current information on security issues for social networks, cloud computing, virtualization, and more.