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Hands-On Cybersecurity with Blockchain

You're reading from   Hands-On Cybersecurity with Blockchain Implement DDoS protection, PKI-based identity, 2FA, and DNS security using Blockchain

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Product type Paperback
Published in Jun 2018
Publisher
ISBN-13 9781788990189
Length 236 pages
Edition 1st Edition
Concepts
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Author (1):
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Rajneesh Gupta Rajneesh Gupta
Author Profile Icon Rajneesh Gupta
Rajneesh Gupta
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Table of Contents (13) Chapters Close

Preface 1. Cyber Threat Landscape and Security Challenges FREE CHAPTER 2. Security Must Evolve 3. Introducing Blockchain and Ethereum 4. Hyperledger – Blockchain for Businesses 5. Blockchain on the CIA Security Triad 6. Deploying PKI-Based Identity with Blockchain 7. Two-Factor Authentication with Blockchain 8. Blockchain-Based DNS Security Platform 9. Deploying Blockchain-Based DDoS Protection 10. Facts about Blockchain and Cyber Security 11. Assessment 12. Other Books You May Enjoy

What is 2FA?


With several data breach incidents, we've witnessed a massive increase in the number of social and professional website accounts being hacked. Sometimes, even a simple human error can cause huge trouble globally. Sometimes, it's easy to predict the password of a user based on their daily activity, behavior, or even name. Users still tend to use plain text passwords to protect their account, and among the worst are password, 123456, and abcde.

2FA is an extra layer of security that's used to ensure that only the legitimate owner can access their account. In this method, the user will first enter a combination of a username and password, and, instead of directly getting into their account, the user will be required to provide other information. This other piece of information can come in one of the following forms:

  • Something that the user knows: This could be information such as a password, an answer to a secret question, or maybe a personal identification number (PIN).
  • Something...
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