You're reading from CompTIA Security+: SY0-601 Certification Guide Complete coverage of the new CompTIA Security+ (SY0-601) exam to help you pass on the first attempt

Product type Paperback

Published in Dec 2020

Publisher Packt

ISBN-13 9781800564244

Length 550 pages

Edition 2nd Edition

Languages

Python

Tools

Kali Linux

Concepts

Cybersecurity

Author (1):

Ian Neil

View More author details

Table of Contents (24) Chapters

Preface

1. Objectives for the CompTIA Security+ 601 exam

Exam Objectives (Domains)

2. Section 1: Security Aims and Objectives FREE CHAPTER

3. Chapter 1: Understanding Security Fundamentals

4. Chapter 2: Implementing Public Key Infrastructure

5. Chapter 3: Investigating Identity and Access Management

6. Chapter 4: Exploring Virtualization and Cloud Concepts

7. Section 2: Monitoring the Security Infrastructure

8. Chapter 5: Monitoring, Scanning, and Penetration Testing

9. Chapter 6: Understanding Secure and Insecure Protocols

10. Chapter 7: Delving into Network and Security Concepts

11. Chapter 8: Securing Wireless and Mobile Solutions

12. Section 3: Protecting the Security Environment

13. Chapter 9: Identifying Threats, Attacks, and Vulnerabilities

14. Chapter 10: Governance, Risk, and Compliance

15. Chapter 11: Managing Application Security

16. Chapter 12: Dealing with Incident Response Procedures

17. Section 4: Mock Tests

18. Chapter 13: Mock Exam 1

19. Mock Exam 1 Solutions

20. Chapter 14: Mock Exam 2

21. Mock Exam 2 Solutions

22. Chapter Review Solutions

23. Other Books You May Enjoy

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Blockchain was originally the technology that powered Bitcoin, but it has greater scope than that. It is a digital ledger of transactions where the data is stored in batches called blocks that are distributed to many computers. Therefore, if you wanted to tamper with the blockchain, it would be impossible as you would have to change the data on every computer holding a copy. As they say, there is safety in numbers.

Blockchain can be used to store financial, medical, or land sale transactions. This data is chained together with a block of data holding both the hash for that block and the hash of the preceding block. To create a new block on the chain, the computer that wishes to add the block solves a cryptographic puzzle and sends the solution to the other computers participating in that blockchain. This is known as proof of work. Once that has been verified by those computers on this network, a new block is added to the end of the chain. Should...