Kryptografia
Mayukh Mukhopadhyay
Ethereum is a public, blockchain-based distributed computing platform featuring smart contract functionality. This book is your one-stop guide to blockchain and Ethereum smart contract development. We start by introducing you to the basics of blockchain. You'll learn about hash functions, Merkle trees, forking, mining, and much more. Then you'll learn about Ethereum and smart contracts, and we'll cover Ethereum virtual machine (EVM) in detail. Next, you'll get acquainted with DApps and DAOs and see how they work. We'll also delve into the mechanisms of advanced smart contracts, taking a practical approach.You'll also learn how to develop your own cryptocurrency from scratch in order to understand the business behind ICO. Further on, you'll get to know the key concepts of the Solidity programming language, enabling you to build decentralized blockchain-based applications. We'll also look at enterprise use cases, where you'll build a decentralized microblogging site. At the end of this book, we discuss blockchain-as-a-service, the dark web marketplace, and various advanced topics so you can get well versed with the blockchain principles and ecosystem.
James Leyte-Vidal
Whether you’re looking to crack passwords as part of a thorough security audit or aiming to recover vital information, this book will equip you with the skills to accomplish your goals. Written by a cybersecurity expert with over fifteen years of experience in penetration testing, Ethical Password Cracking offers a thorough understanding of password protection and the correct approach to retrieving password-protected data.As you progress through the chapters, you first familiarize yourself with how credentials are stored, delving briefly into the math behind password cracking. Then, the book will take you through various tools and techniques to help you recover desired passwords before focusing on common cracking use cases, hash recovery, and cracking. Real-life examples will prompt you to explore brute-force versus dictionary-based approaches and teach you how to apply them to various types of credential storage.By the end of this book, you'll understand how passwords are protected and how to crack the most common credential types with ease.
EU General Data Protection Regulation (GDPR). An implementation and compliance guide
IT Governance Publishing, IT Governance Privacy Team
This book provides a thorough exploration of the EU General Data Protection Regulation (GDPR). It starts with the core principles of GDPR, explaining its purpose, key concepts, and how it impacts data controllers and processors. The book covers essential features like data subject rights, data processing principles, and privacy compliance frameworks. It also explores the role of the Data Protection Officer (DPO) and the importance of conducting data protection impact assessments (DPIAs).Focusing on practical implementation, the book highlights the need for robust information security measures to meet GDPR standards. It provides actionable advice on best practices, including managing data breaches, ensuring lawful consent, and processing subject access requests. The guide also addresses the complexities of international data transfers in line with GDPR requirements.Finally, the book outlines GDPR enforcement mechanisms, detailing the powers of supervisory authorities and the steps to demonstrate compliance. This resource offers organizations a comprehensive roadmap to align with GDPR, laying the groundwork for effective data protection and compliance.
Foundations of Blockchain. The pathway to cryptocurrencies and decentralized blockchain applications
Koshik Raj
Blockchain technology is a combination of three popular concepts: cryptography, peer-to-peer networking, and game theory. This book is for anyone who wants to dive into blockchain from first principles and learn how decentralized applications and cryptocurrencies really work.This book begins with an overview of blockchain technology, including key definitions, its purposes and characteristics, so you can assess the full potential of blockchain. All essential aspects of cryptography are then presented, as the backbone of blockchain. For readers who want to study the underlying algorithms of blockchain, you’ll see Python implementations throughout.You’ll then learn how blockchain architecture can create decentralized applications. You’ll see how blockchain achieves decentralization through peer-to-peer networking, and how a simple blockchain can be built in a P2P network. You’ll learn how these elements can implement a cryptocurrency such as Bitcoin, and the wider applications of blockchain work through smart contracts. Blockchain optimization techniques, and blockchain security strategies are then presented. To complete this foundation, we consider blockchain applications in the financial and non-financial sectors, and also analyze the future of blockchain. A study of blockchain use cases includes supply chains, payment systems, crowdfunding, and DAOs, which rounds out your foundation in blockchain technology.
David Álvarez Pérez, Ravikant Tiwari
Written by David Álvarez Pérez, a senior malware analyst at Gen Digital Inc., and Ravikant Tiwari, a senior security researcher at Microsoft, with expertise in malware and threat detection, this book is a complete guide to using Ghidra for examining malware, making patches, and customizing its features for your cybersecurity needs.This updated edition walks you through implementing Ghidra’s capabilities and automating reverse-engineering tasks with its plugins. You’ll learn how to set up an environment for practical malware analysis, use Ghidra in headless mode, and leverage Ghidra scripting to automate vulnerability detection in executable binaries. Advanced topics such as creating Ghidra plugins, adding new binary formats, analyzing processor modules, and contributing to the Ghidra project are thoroughly covered too.This edition also simplifies complex concepts such as remote and kernel debugging and binary diffing, and their practical uses, especially in malware analysis. From unpacking malware to analyzing modern ransomware, you’ll acquire the skills necessary for handling real-world cybersecurity challenges.By the end of this Ghidra book, you’ll be adept at avoiding potential vulnerabilities in code, extending Ghidra for advanced reverse-engineering, and applying your skills to strengthen your cybersecurity strategies.
Hacking and Security. The Comprehensive Guide to Penetration Testing and Cybersecurity
Rheinwerk Publishing, Inc, Michael Kofler, Klaus Gebeshuber,...
This book provides a comprehensive guide to cybersecurity, covering hacking techniques, tools, and defenses. It begins by introducing key concepts, distinguishing penetration testing from hacking, and explaining hacking tools and procedures. Early chapters focus on security fundamentals, such as attack vectors, intrusion detection, and forensic methods to secure IT systems.As the book progresses, readers explore topics like exploits, authentication, and the challenges of IPv6 security. It also examines the legal aspects of hacking, detailing laws on unauthorized access and negligent IT security. Readers are guided through installing and using Kali Linux for penetration testing, with practical examples of network scanning and exploiting vulnerabilities.Later sections cover a range of essential hacking tools, including Metasploit, OpenVAS, and Wireshark, with step-by-step instructions. The book also explores offline hacking methods, such as bypassing protections and resetting passwords, along with IT forensics techniques for analyzing digital traces and live data. Practical application is emphasized throughout, equipping readers with the skills needed to address real-world cybersecurity threats.
Harish Garg
Bitcoin is a cryptocurrency that’s changing the face of online payments. Hands-On Bitcoin Programming with Python teaches you to build software applications for mining and creating Bitcoins using Python.This book starts with the basics of both Bitcoin and blockchain and gives you an overview of these inherent concepts by showing you how to build Bitcoin-driven applications with Python. Packed with clear instructions and practical examples, you will learn to understand simple Python coding examples that work with this cryptocurrency.By the end of the book, you’ll be able to mine Bitcoins, accept Bitcoin payments on the app, and work with the basics of blockchain technology to create simply distributed ledgers.
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.