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Hands-On Cybersecurity with Blockchain
Hands-On Cybersecurity with Blockchain

Hands-On Cybersecurity with Blockchain: Implement DDoS protection, PKI-based identity, 2FA, and DNS security using Blockchain

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Hands-On Cybersecurity with Blockchain

Security Must Evolve

After understanding most of the critical aspects of the threat landscape, it's time to change the way we look at cybersecurity. The endless variety of malware has the capability of being persistent, hidden, self-destructive, and can bypass traditional security systems by behaving like a legitimate user, making defenders adopt a new security approach to achieve a better cyber posture. In this chapter, we will understand the different approaches adopted by defenders to combat advanced threats and to strengthen cybersecurity systems.

This chapter will introduce some of the most widely used security practices deployed, from network perimeters to server farms. This chapter will also explore insights on the zero-trust security approach and the breach-acceptance security approach.

In this chapter, you will learn about the following topics:

  • The security ecosystem...

The security ecosystem 

Thousands of security bodies and security researchers work round the clock to innovate and develop an effective solution to address emerging threats. Organizations spend millions of dollars every year to enhance their security posture and tools. They keep researching zero-day vulnerabilities, building artificial neural networks (ANNs) for endpoint protection, making machine learning models for new threats, building an effective cybersecurity incident response process and awareness program, and so on.

There are four main categories of cyberattack prevention strategies:

  • Reduce the attack surface: Most organizations have a regular process to conduct vulnerability scanning both externally and internally for unwanted application ports, file extension information, and platform information. This continuous process of security threat evaluation...

The zero-trust approach

A widely accepted approach that was initially coined by Forrester is the data-centric approach, which is used by implementing always verify for all data and assets. This was designed to overcome the flat network problem, which helps threat actors move undetected through lateral movements and exfiltrate sensitive and confidential information. This approach also empowers the security pros so that they can regain control of their network and application. Here is how we get started with the zero-trust approach:

  1. Identify and classify sensitive data: In order to protect your data, it's critical to see it. If you are not aware of your sensitive data, the situation may get worse in the post-infection period. Once sensitive data is identified, it's necessary to classify it.
  2. Map the data flow: It is important to get a high level of understanding...

The assume breach approach

Even with growing cyberattack prevention systems, including antivirus, next-generation antivirus, firewall, and next-generation firewall, advanced threats still manage to bypass the security system. None of the security prevention technologies can guarantee complete protection against such threats. In the past few years, organizations have adopted a new approach called assume breach, which is a way of testing their incident response force.

The assume breach mindset allows organizations to be open to various security solutions and services, as follows:

  • Red-team exercise: Red-team exercise is the enhanced version of penetration testing where the exercise is performed by a team of highly professional security experts, not just to find vulnerabilities, but to also test the detection and incident response capabilities of the organization. This helps...

Evolution at the foundation layer

We had a leaky boat structure, and, in spite of fixing it, we are simply making this faster and smarter boat load more and more unnecessary resources. It's time to try changing the entire boat structure and see how well we can thrive.

The entirety of cybersecurity is for protecting a computer network that runs on the TCP/IP model and uses the client-server database architecture. The authority to modify data remains with the centralized server, which authenticates each client before allowing them to access the database. As there is only one server authority for regulation and maintenance, if that is compromised, all the data can be altered, exfiltrated, or even deleted. The majority of data-breach incidents are basically an effect and risk of having a centralized server database on the cloud. As we go on to the next chapter, you will learn...

Summary

In this chapter, you learned about how security experts are exploring innovation in the world of cybersecurity. You also learned about some of the most effective and widely used security approaches and mindsets. At the end, we got to glance at the security challenges at the foundation layer that are rarely addressed. In the next chapter, you will learn about blockchain, building blocks, working, and its role in industrial technology. 

Questions 

The evolution of a security system is a never-ending process, and it will always open a scope for improvement and integration:

  1. What are the challenges in adopting the zero-trust approach
  2. What are the challenges in adopting the breach-assume approach?
  3. Why haven't centralized database risks been covered so far?

Further reading 

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Key benefits

  • • Understanding the blockchain technology from the cybersecurity perspective
  • • Developing cyber security solutions with Ethereum blockchain technology
  • • Understanding real-world deployment of blockchain based applications

Description

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.

Who is this book for?

The book is targeted towards security professionals, or any stakeholder dealing with cybersecurity who wants to understand the next-level of securing infrastructure using Blockchain. Basic understanding of Blockchain can be an added advantage.

What you will learn

  • • Understand the cyberthreat landscape
  • • Learn about Ethereum and Hyperledger Blockchain
  • • Program Blockchain solutions
  • • Build Blockchain-based apps for 2FA, and DDoS protection
  • • Develop Blockchain-based PKI solutions and apps for storing DNS entries
  • • Challenges and the future of cybersecurity and Blockchain
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Jun 28, 2018
Length: 236 pages
Edition : 1st
Language : English
ISBN-13 : 9781788990189
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Product Details

Publication date : Jun 28, 2018
Length: 236 pages
Edition : 1st
Language : English
ISBN-13 : 9781788990189
Category :
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Table of Contents

12 Chapters
Cyber Threat Landscape and Security Challenges Chevron down icon Chevron up icon
Security Must Evolve Chevron down icon Chevron up icon
Introducing Blockchain and Ethereum Chevron down icon Chevron up icon
Hyperledger – Blockchain for Businesses Chevron down icon Chevron up icon
Blockchain on the CIA Security Triad Chevron down icon Chevron up icon
Deploying PKI-Based Identity with Blockchain Chevron down icon Chevron up icon
Two-Factor Authentication with Blockchain Chevron down icon Chevron up icon
Blockchain-Based DNS Security Platform Chevron down icon Chevron up icon
Deploying Blockchain-Based DDoS Protection Chevron down icon Chevron up icon
Facts about Blockchain and Cyber Security Chevron down icon Chevron up icon
Assessment Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

Top Reviews
Rating distribution
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.8
(12 Ratings)
5 star 50%
4 star 16.7%
3 star 8.3%
2 star 16.7%
1 star 8.3%
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Jashan Oct 04, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
A great book - full of knowledge and thinking. Blockchain is NOVEL....so only education it made me understand what it really is. This book is a great starting point and can be read and understood by anyone.
Amazon Verified review Amazon
Satya N. Oct 06, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Wearing my security manager’s hat (well, I would, but I haven’t occupied that particular vocational niche for many years, so I don’t have one), I know Security on the Information Superhighway ’ a useful resource (especially as a source of useful citation, if less groundbreaking. Also with this book Mr.Rajneesh has done full justice by explaining blockchain with cybersecurity, being security expert I could very much relate with the said topic for me this book interested me to learn more about blockchain and cybersecurity. Kudos !!
Amazon Verified review Amazon
Shweta chaturvedi Sep 21, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
As a complete Blockchain novice, I found this book very informative and easy to understand. I would like to understand Blockchain more however, this book has been a good starting point for me I would like to read more about the topic.
Amazon Verified review Amazon
Ankita Sharma Aug 06, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
A big thumbs up! this book acts as a welcome invitation for technologists. As such, it provides information about the business and potential of the blockchain. In the same way, this title will help the business minded individual to grasp the different facets of blockchain technology, while the author has perfectly taken through the process by, by empowering all...to think about cybersecurity with blockchain.He has done justice by explaining how Cybersecurity with blockchain looks to become the playbook for the business leader. Intended to inform players in the corporate world for the next decade (and beyond), present an utterly foundational, comprehensive, and perfectly researched book about the Said topic Blockchain, as well as its future. Reading this book, therefore, will inform you about the various impacts the technology behind Bitcoin is having on the business world, and on financial matters.e technology is likely to have a great impact on the system both present and future.
Amazon Verified review Amazon
Zulfa Khan Aug 07, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Amazing book amazingly written...clamped with lots and lots of knowledge on cybersecurity and blockchain..A must try book for all those into cybersecurity also for those who are into IT industry...this book opened a lot of horizons of understanding for me with respect to cybersecurity with blockchain...a sure sure thumbs up👍👍👍👍
Amazon Verified review Amazon
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