Book Image

Hands-On Cybersecurity with Blockchain

By : Rajneesh Gupta
Book Image

Hands-On Cybersecurity with Blockchain

By: Rajneesh Gupta

Overview of this book

Blockchain technology is being welcomed as one of the most revolutionary and impactful innovations of today. Blockchain technology was first identified in the world’s most popular digital currency, Bitcoin, but has now changed the outlook of several organizations and empowered them to use it even for storage and transfer of value. This book will start by introducing you to the common cyberthreat landscape and common attacks such as malware, phishing, insider threats, and DDoS. The next set of chapters will help you to understand the workings of Blockchain technology, Ethereum and Hyperledger architecture and how they fit into the cybersecurity ecosystem. These chapters will also help you to write your first distributed application on Ethereum Blockchain and the Hyperledger Fabric framework. Later, you will learn about the security triad and its adaptation with Blockchain. The last set of chapters will take you through the core concepts of cybersecurity, such as DDoS protection, PKI-based identity, 2FA, and DNS security. You will learn how Blockchain plays a crucial role in transforming cybersecurity solutions. Toward the end of the book, you will also encounter some real-world deployment examples of Blockchain in security cases, and also understand the short-term challenges and future of cybersecurity with Blockchain.
Table of Contents (17 chapters)
Title Page
About Packt
Contributors
Preface
Index

Private versus public blockchain


Many flavors of blockchain have evolved over the years, and several iterations have been undertaken to achieve business value. There are more than a thousand startups launching their products with distributed blockchain applications. When it is about business, it is important to know best-fit solutions. 

From its birth, blockchain has been permissionless, open to the public without exception. You can download the node software and view the entire history of blockchain, initiate transactions, and store information. This makes life for end users easy; however, businesses interested in deploying blockchain may see this as a big challenge.

Public blockchains do carry some critical disadvantages when it comes to business. Businesses are usually more interested in private blockchains to create blockchain solutions with better privacy and security.

Public blockchain

With the public blockchain, the process of chaining a block is always with nodes that can be independent...