Kryptografia
Arjuna Sky Kok
Blockchain is seen as the main technological solution that works as a public ledger for all cryptocurrency transactions. This book serves as a practical guide to developing a full-fledged decentralized application with Python to interact with the various building blocks of blockchain applications.Hands-On Blockchain for Python Developers starts by demonstrating how blockchain technology and cryptocurrency hashing works. You will understand the fundamentals and benefits of smart contracts such as censorship resistance and transaction accuracy. As you steadily progress, you'll go on to build smart contracts using Vyper, which has a similar syntax to Python. This experience will further help you unravel the other benefits of smart contracts, including reliable storage and backup, and efficiency. You'll also use web3.py to interact with smart contracts and leverage the power of both the web3.py and Populus framework to build decentralized applications that offer security and seamless integration with cryptocurrencies. As you explore later chapters, you'll learn how to create your own token on top of Ethereum and build a cryptocurrency wallet graphical user interface (GUI) that can handle Ethereum and Ethereum Request for Comments (ERC-20) tokens using the PySide2 library. This will enable users to seamlessly store, send, and receive digital money. Toward the end, you'll implement InterPlanetary File System (IPFS) technology in your decentralized application to provide a peer-to-peer filesystem that can store and expose media.By the end of this book, you'll be well-versed in blockchain programming and be able to build end-to-end decentralized applications on a range of domains using Python.
Nitin Gaur, Luc Desrosiers, Venkatraman Ramakrishna, Petr...
Blockchain and Hyperledger technologies are hot topics today. Hyperledger Fabric and Hyperledger Composer are open source projects that help organizations create private, permissioned blockchain networks. These find application in finance, banking, supply chain, and IoT among several other sectors. This book will be an easy reference to explore and build blockchain networks using Hyperledger technologies.The book starts by outlining the evolution of blockchain, including an overview of relevant blockchain technologies. You will learn how to configure Hyperledger Fabric and become familiar with its architectural components. Using these components, you will learn to build private blockchain networks, along with the applications that connect to them. Starting from principles first, you’ll learn to design and launch a network, implement smart contracts in chaincode and much more. By the end of this book, you will be able to build and deploy your own decentralized applications, handling the key pain points encountered in the blockchain life cycle.
Hands-On Cryptography with Python. Leverage the power of Python to encrypt and decrypt data
Samuel Bowne
Cryptography is essential for protecting sensitive information, but it is often performed inadequately or incorrectly. Hands-On Cryptography with Python starts by showing you how to encrypt and evaluate your data. The book will then walk you through various data encryption methods,such as obfuscation, hashing, and strong encryption, and will show how you can attack cryptographic systems. You will learn how to create hashes, crack them, and will understand why they are so different from each other. In the concluding chapters, you will use three NIST-recommended systems: the Advanced Encryption Standard (AES), the Secure Hash Algorithm (SHA), and the Rivest-Shamir-Adleman (RSA). By the end of this book, you will be able to deal with common errors in encryption.
Maximiliano Santos, Enio Moura
Blockchain has been the hot topic of late thanks to cryptocurrencies. To make matters more interesting, the financial market is looking for ways to reduce operational costs and generate new business models, and this is where blockchain solutions come into the picture. In addition to this, with Internet of Things (IoT) trending and Arduino, Raspberry Pi, and other devices flooding the market, you can now create cheap devices even at home.Hands-On IoT Solutions with Blockchain starts with an overview of IoT concepts in the current business scenario. It then helps you develop your own device on the IBM Watson IoT platform and create your fi rst IoT solution using Watson and Intel Edison.Once you are familiar with IoT, you will learn about Blockchain technology and its use cases. You will also work with the Hyperledger framework and develop your own Blockchain network. As you progress through the chapters, you'll work with problem statements and learn how to design your solution architecture so that you can create your own integrated Blockchain and IoT solution.The next set of chapters will explain how to implement end-to-end Blockchain solutions with IoT using the IBM Cloud platform. By the end of this book, you will have mastered the convergence of IoT and Blockchain technology and exploited the best practices and drivers to develop a bulletproof integrated solution.
Ovais Mehboob Ahmed Khan, John Callaway, Clayton...
This 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
Anatoly Tykushin, Svetlana Ostrovskaya, Dmitry Volkov
Cybersecurity threats are constantly evolving, posing serious risks to organizations. Incident Response for Windows, by cybersecurity experts Anatoly Tykushin and Svetlana Ostrovskaya, provides a practical hands-on guide to mitigating threats in Windows environments, drawing from their real-world experience in incident response and digital forensics.Designed for cybersecurity professionals, IT administrators, and digital forensics practitioners, the book covers the stages of modern cyberattacks, including reconnaissance, infiltration, network propagation, and data exfiltration. It takes a step-by-step approach to incident response, from preparation and detection to containment, eradication, and recovery. You will also explore Windows endpoint forensic evidence and essential tools for gaining visibility into Windows infrastructure. The final chapters focus on threat hunting and proactive strategies to identify cyber incidents before they escalate.By the end of this book, you will gain expertise in forensic evidence collection, threat hunting, containment, eradication, and recovery, equipping them to detect, analyze, and respond to cyber threats while strengthening your organization's security posture
Darren Death
Information Security Handbook is a practical guide that’ll empower you to take effective actions in securing your organization’s assets. Whether you are an experienced security professional seeking to refine your skills or someone new to the field looking to build a strong foundation, this book is designed to meet you where you are and guide you toward improving your understanding of information security.Each chapter addresses the key concepts, practical techniques, and best practices to establish a robust and effective information security program. You’ll be offered a holistic perspective on securing information, including risk management, incident response, cloud security, and supply chain considerations. This book has distilled years of experience and expertise of the author, Darren Death, into clear insights that can be applied directly to your organization’s security efforts. Whether you work in a large enterprise, a government agency, or a small business, the principles and strategies presented in this book are adaptable and scalable to suit your specific needs.By the end of this book, you’ll have all the tools and guidance needed to fortify your organization’s defenses and expand your capabilities as an information security practitioner.
IT Governance Publishing, Alan Calder, Steve G...
This guide navigates through the essential processes of risk management within an ISO 27001/27002 framework. Beginning with foundational principles and methodologies, it systematically details every stage from assessment and analysis to treatment and review. Readers will learn how to apply both qualitative and quantitative techniques to measure impact, likelihood, and risk levels accurately.The book provides clarity on roles, policies, asset classification, and control selection, reinforced by practical tools like gap analysis and risk assessment software. Real-world scenarios and methodologies are contextualized for effective decision-making aligned with international compliance standards.By the end, readers will possess a comprehensive understanding of implementing and sustaining a risk management system that meets ISO 27001/27002 requirements, enabling them to better safeguard information assets and demonstrate regulatory accountability.
Hemang Doshi
Prepare for the ISC2 Certified in Cybersecurity (CC) exam without getting buried in jargon. Written by Hemang Doshi (CA, CISA, CC), an IT auditor and ISO 27001 lead auditor, this guide explains each objective in plain language.You’ll cover disaster recovery and incident response; access controls; network security; and security operations, sequenced to build confidence and reinforced with frequent checks for understanding. The book coverage reflects the 2025 exam, including the 2-hour, 100–125 item CAT format.To help you practice the way the exam asks questions, you get topic-wise review MCQs, 50–100 flashcards, 25 focused exam tips, and two full 125-question mock exams with explanations. By the end of the course, you will be able to evaluate basic cybersecurity risks, select appropriate controls, and explain key cybersecurity concepts.
IT Governance Publishing, Bridget Kenyon
This guide offers a comprehensive approach to implementing and auditing ISO 27001 controls, providing clear steps for establishing a robust Information Security Management System (ISMS). It is designed to help organizations navigate the complexities of meeting international security standards while ensuring the protection of sensitive information. The book covers every aspect of ISO/IEC 27001, from the foundational principles to practical applications of organizational, physical, and technological controls.Each chapter is carefully structured to explain the implementation of specific controls, focusing on real-world scenarios and offering actionable advice for security professionals. With detailed instructions and clear examples, readers will gain a deep understanding of the ISO 27001 framework and how to align their organizations with best practices. In addition to control implementation, the book emphasizes ongoing compliance and risk management strategies. It highlights critical areas such as incident management, supplier relationships, and data protection, ensuring readers can address security challenges at all levels. Whether new to ISO 27001 or looking to refine an existing ISMS, this book provides the tools necessary for successful information security management and compliance auditing.
ISO 27001/ISO 27002. A guide to information security management systems
IT Governance Publishing, Alan Calder
This comprehensive guide demystifies the ISO 27001 and ISO 27002 standards, offering a clear roadmap to understanding, implementing, and managing an Information Security Management System (ISMS). It begins with foundational concepts, a history of ISO 27001, and introduces the ISO 27000 family. The book proceeds to cover the PDCA cycle, Annex SL structure, and the significance of shall vs. should in compliance language.Core chapters walk through ISO 27001’s clauses and requirements, from organizational context and leadership to performance evaluation and continual improvement. Annex A's security controls are explored in detail, linking theory with practical application. ISO 27002 is also thoroughly reviewed to offer guidance on selecting and implementing appropriate controls.By the end of the book, readers gain a strong understanding of ISMS design, certification processes, and control mapping. This resource supports IT managers, compliance officers, and auditors seeking to align with international security standards.
Kirankalyan Kulkarni
Blockchain is a distributed database that enables permanent, transparent, and secure storage of data. Blockchain technology uses cryptography to keep data secure. Learn Bitcoin and Blockchain is the perfect entry point to the world of decentralized databases.This book will take you on a journey through the blockchain database, followed by advanced implementations of the blockchain concept. You will learn about Bitcoin basics and their technical operations. As you make your way through the book, you will gain insight into this leading technology and its implementation in the real world. You will also cover the technical foundation of blockchain and understand the fundamentals of cryptography and how they keep data secure. In the concluding chapters, you’ll get to grips with the mechanisms behind cryptocurrencies.By the end of this book, you will have learned about decentralized digital money, advanced blockchain concepts, and Bitcoin and blockchain security.
Learn Red ? Fundamentals of Red. Get up and running with the Red language for full-stack development
Ivo Balbaert
A key problem of software development today is software bloat, where huge toolchains and development environments are needed in software coding and deployment. Red significantly reduces this bloat by offering a minimalist but complete toolchain. This is the first introductory book about it, and it will get you up and running with Red as quickly as possible.This book shows you how to write effective functions, reduce code redundancies, and improve code reuse. It will be helpful for new programmers who are starting out with Red to explore its wide and ever-growing package ecosystem and also for experienced developers who want to add Red to their skill set.The book presents the fundamentals of programming in Red and in-depth informative examples using a step-by-step approach. You will be taken through concepts and examples such as doing simple metaprogramming, functions, collections, GUI applications, and more. By the end of the book, you will be fully equipped to start your own projects in Red.
Dominik Robakowski
Kryptologia jest trudna? Może, ale na pewno nie z tą książką! Jeśli słowo "szyfr" budzi w Tobie przyjemny dreszczyk emocji, mamy dla Ciebie prawdziwą gratkę. Już za chwilę poznasz największe tajemnice ludzkości. Prezentowane w tej książce tajemnicze kody służyły dyplomatom, armiom pierwszej i drugiej wojny światowej, wreszcie zimnowojennym szpiegom. Były kamyczkami, które wywołały lawinę rewolucji informatycznej. Bez żadnej przesady - oto szyfry, które decydowały o losach świata. I wciąż o nich decydują. Kryptologia bardzo intensywnie się rozwija. Dziś jest wręcz niezbędna do naszego funkcjonowania. Warto poznać jej podstawy, tak samo jak wypada się orientować w historii, fizyce czy biologii - choćby po to, by być na bieżąco ze współczesną nauką. Poza tym szyfrowanie i deszyfrowanie stanowi znakomitą gimnastykę dla umysłu i dobry sposób na kreatywne spędzenie czasu. Co więcej, prezentowane sposoby ukrywania wiadomości mogą nadal służyć zgodnie ze swoim pierwotnym przeznaczeniem - do ukrywania tego, co niekoniecznie chcemy przekazać wprost...
Imran Bashir
Blockchain is the backbone of cryptocurrencies, with applications in finance, government, media, and other industries. With a legacy of providing technologists with executable insights, this new edition of Mastering Blockchain is thoroughly revised and updated to the latest blockchain research with four new chapters on consensus algorithms, Serenity (the update that will introduce Ethereum 2.0), tokenization, and enterprise blockchains.This book covers the basics, including blockchain’s technical underpinnings, cryptography and consensus protocols. It also provides you with expert knowledge on decentralization, decentralized application development on Ethereum, Bitcoin, alternative coins, smart contracts, alternative blockchains, and Hyperledger.Further, you will explore blockchain solutions beyond cryptocurrencies such as the Internet of Things with blockchain, enterprise blockchains, tokenization using blockchain, and consider the future scope of this fascinating and disruptive technology.By the end of this book, you will have gained a thorough comprehension of the various facets of blockchain and understand their potential in diverse real-world scenarios.
Imran Bashir
Blockchain is a distributed database that enables permanent, transparent, and secure storage of data. The blockchain technology is the backbone of cryptocurrency – in fact, it’s the shared public ledger upon which the entire Bitcoin network relies – and it’s gaining popularity with people who work in finance, government, and the arts.Blockhchain technology uses cryptography to keep data secure. This book gives a detailed description of this leading technology and its implementation in the real world.This book begins with the technical foundations of blockchain, teaching you the fundamentals of cryptography and how it keeps data secure. You will learn about the mechanisms behind cryptocurrencies and how to develop applications using Ethereum, a decentralized virtual machine. You will explore different blockchain solutions and get an exclusive preview into Hyperledger, an upcoming blockchain solution from IBM and the Linux Foundation. You will also be shown how to implement blockchain beyond currencies, scability with blockchain, and the future scope of this fascinating and powerful technology.
Ankur Daharwal, Imran Bashir, Pranav Burnwal
Publisher's Note: This edition from 2018 is outdated and does not cover the latest insights on consensus algorithms, Ethereum 2.0, tokenization, and enterprise blockchains. A new and updated edition of this book that includes all the newest developments and improvements in Blockchain including the above topics is now available.A blockchain is a distributed ledger that is replicated across multiple nodes and enables immutable, transparent and cryptographically secure record-keeping of transactions. The blockchain technology is the backbone of cryptocurrencies, and it has applications in finance, government, media and almost all other industries. Mastering Blockchain, Second Edition has been thoroughly updated and revised to provide a detailed description of this leading technology and its implementation in the real world. This book begins with the technical foundations of blockchain technology, teaching you the fundamentals of distributed systems, cryptography and how it keeps data secure. You will learn about the mechanisms behind cryptocurrencies and how to develop applications using Ethereum, a decentralized virtual machine. You will also explore different other blockchain solutions and get an introduction to business blockchain frameworks under Hyperledger, a collaborative effort for the advancement of blockchain technologies hosted by the Linux Foundation. You will also be shown how to implement blockchain solutions beyond currencies, Internet of Things with blockchain, blockchain scalability, and the future scope of this fascinating and powerful technology.
Imran Bashir
Blockchain is the backbone of cryptocurrencies, it has had a massive impact in many sectors, including finance, supply chains, healthcare, government, and media. It’s also being used for cutting edge technologies such as AI and IoT. This new edition is thoroughly revised to offer a practical approach to using Ethereum, Hyperledger, Fabric, and Corda with step-by-step tutorials and real-world use-cases to help you understand everything you need to know about blockchain development and implementation. With new chapters on Decentralized Finance and solving privacy, identity, and security issues, as well as bonus online content exploring alternative blockchains, this is an unmissable read for everyone who wants to gain a deep understanding of blockchain.The book doesn’t shy away from advanced topics and practical expertise, such as decentralized application (DApp) development using smart contracts and oracles, and emerging trends in the blockchain space. Throughout the book, you’ll explore blockchain solutions beyond cryptocurrencies, such as the IoT with blockchain, enterprise blockchains, and tokenization, and gain insight into the future scope of this fascinating and disruptive technology.By the end of this blockchain book, you will have gained a thorough comprehension of the various facets of blockchain and understand the potential of this technology in diverse real-world scenarios.
Jitendra Chittoda
Solidity is among the most popular and contract-oriented programming languages used for writing decentralized applications (DApps) on Ethereum blockchain. If you’re looking to perfect your skills in writing professional-grade smart contracts using Solidity, this book can help.You will get started with a detailed introduction to blockchain, smart contracts, and Ethereum, while also gaining useful insights into the Solidity programming language. A dedicated section will then take you through the different Ethereum Request for Comments (ERC) standards, including ERC-20, ERC-223, and ERC-721, and demonstrate how you can choose among these standards while writing smart contracts. As you approach later chapters, you will cover the different smart contracts available for use in libraries such as OpenZeppelin. You’ll also learn to use different open source tools to test, review and improve the quality of your code and make it production-ready. Toward the end of this book, you’ll get to grips with techniques such as adding security to smart contracts, and gain insights into various security considerations. By the end of this book, you will have the skills you need to write secure, production-ready smart contracts in Solidity from scratch for decentralized applications on Ethereum blockchain.
Mastering Endpoint Management using Microsoft Intune Suite. Learn Everything About Intune Suite
Saurabh Sarkar, Rahul Singh, Rudy Ooms, Anoop...
Mastering Endpoint Management using Microsoft Intune Suite is one of the first books focused solely on Microsoft’s premium Intune features, offering hands-on, in-depth coverage for IT admins, security professionals, and endpoint engineers. Co-authored by a Microsoft Intune Product Manager and a Principal Consultant who is also a Microsoft Certified Trainer (MCT), this book walks you through real-world implementation using backend architecture diagrams, registry insights, and troubleshooting techniques.You’ll start with cloud public key infrastructure (PKI), learning how to simplify certificate-based authentication. Then you’ll move on to endpoint privilege management (EPM) to enforce least-privilege access at scale. You will learn about Enterprise App Management, which helps you how to modernize app delivery, as well as Advanced Analytics, which reveals how to use Kusto Query Language (KQL) and Security Copilot for actionable insights. The book also covers Remote Help for secure support and Microsoft Tunnel for enabling BYOD access, and concludes with a curated list of essential Intune learning resources.By the end of this Intune book, you will have the practical expertise to implement, manage, and troubleshoot Intune Suite confidently in real-world enterprise environments.
Pramiti Bhatnagar, Merill Fernando
In the modern way of working, identity is the new front door to the organization’s resources. Organizations must enforce Zero Trust, protect privileged access, secure external collaboration, and manage hybrid environments without increasing risk. Mastering Microsoft Entra ID provides a structured, end-to-end journey to help you design, secure, and govern enterprise identity with confidence.You will begin by building a strong foundation in identity architecture and core capabilities, learning how to deploy tenants, manage users and groups, configure authentication, and implement Conditional Access. From there, you will move into identity governance, where you will automate lifecycle workflows, manage privileged roles with PIM, and enforce least privilege at scale.As your expertise deepens, you will explore identity protection, workload and decentralized identities, and secure external access scenarios. The book then guides you through Global Secure Access, monitoring and health insights, and practical migration strategies to modernize on-premises environments.Written by a Microsoft Entra Principal Product Manager, this guide blends strategic clarity with real-world implementation insight. By the end of this journey, you will be equipped to secure enterprise identities, reduce risk, and confidently lead identity transformation across hybrid and cloud environments.
Andrew Taylor, Lior Bela, Lavanya Lakshman
Microsoft Intune Cookbook, Second Edition, is a hands-on guide for IT administrators managing and supporting modern endpoints, built around the latest Intune capabilities and endpoint security enhancements.Written by Andrew Taylor, an experienced Intune practitioner and active community contributor, it focuses on everyday admin tasks and turns them into clear, repeatable recipes. You’ll start by preparing an Intune tenant and setting up key Entra ID foundations, then work through managing Windows, macOS, iOS, Android, and Linux using practical, proven workflows. Along the way, you’ll configure policies, enroll devices, deploy apps, and strengthen security with compliance, Microsoft Defender integration, encryption, and Conditional Access. You’ll also go beyond the portal by using PowerShell and Microsoft Graph to automate routine work, reduce manual effort, and make changes at scale. Monitoring and reporting are covered so you can track device health, security posture, and deployment outcomes with confidence.Advanced scenarios include secure remote support, privilege elevation, cloud-based certificate management, real-time queries, and AI-assisted guidance to speed up troubleshooting and decision-making. By the end, you’ll have practical techniques you can apply immediately to run a modern, cloud-first Intune environment.
NIST CSF 2.0. Your essential introduction to managing cybersecurity risks
IT Governance Publishing, Andrew Pattison
This comprehensive guide introduces the origins, aims, and components of the NIST Cybersecurity Framework (CSF) 2.0. It explores the core structure including functions, categories, subcategories, and profiles, and provides detailed implementation tiers and examples.Readers are then guided through a deep dive into all six framework categories—from Govern to Recover—and learn how to develop and apply risk management strategies within an organization. The content covers NIST SP 800-53, informative references, and practical quick-start guides to help translate theory into action.The final sections offer a seven-step implementation roadmap, including gap analysis, target profiles, and continuous improvement. The book concludes by mapping the CSF to international standards like ISO 27001 and ISO 22301, offering a well-rounded and interoperable cybersecurity strategy.
Vivek Acharya, Anand Eswararao Yerrapati, Nimesh Prakash
Hyperledger Fabric empowers enterprises to scale out in an unprecedented way, allowing organizations to build and manage blockchain business networks. This quick start guide systematically takes you through distributed ledger technology, blockchain, and Hyperledger Fabric while also helping you understand the significance of Blockchain-as-a-Service (BaaS).The book starts by explaining the blockchain and Hyperledger Fabric architectures. You'll then get to grips with the comprehensive five-step design strategy - explore, engage, experiment, experience, and in?uence. Next, you'll cover permissioned distributed autonomous organizations (pDAOs), along with the equation to quantify a blockchain solution for a given use case. As you progress, you'll learn how to model your blockchain business network by defining its assets, participants, transactions, and permissions with the help of examples. In the concluding chapters, you'll build on your knowledge as you explore Oracle Blockchain Platform (OBP) in depth and learn how to translate network topology on OBP.By the end of this book, you will be well-versed with OBP and have developed the skills required for infrastructure setup, access control, adding chaincode to a business network, and exposing chaincode to a DApp using REST configuration.