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

Understanding blockchain on confidentiality


Every digitally connected technology comes with the cost of security challenges, and these challenges can be about privacy exposure, confidentiality breaches, identity theft, and much more. Blockchain technology is a computing technology that runs over a digital ecosystem and hence it becomes important to pay attention to its fundamental security challenges. Every size of business connected globally allocates an annual budget for cybersecurity so that they can keep their information and critical assets confidential. Let's understand the extent of confidentiality in the current blockchain model and its future roadmap.

Confidentiality in the existing model

As we already know, blockchain technology was introduced with Bitcoin. However, it was never made to be restrictive in nature, as anyone with client software can participate in the block generation process, or mining in the case of Bitcoin. Confidentiality with respect to the blockchain is simply...