You're reading from CompTIA CASP+ CAS-004 Certification Guide Develop CASP+ skills and learn all the key topics needed to prepare for the certification exam

Product type Paperback

Published in Mar 2022

Publisher Packt

ISBN-13 9781801816779

Length 654 pages

Edition 1st Edition

Concepts

Cybersecurity

Author (1):

Mark Birch

View More author details

Table of Contents (23) Chapters

Preface

1. Section 1: Security Architecture

2. Chapter 1: Designing a Secure Network Architecture FREE CHAPTER

3. Chapter 2: Integrating Software Applications into the Enterprise

4. Chapter 3: Enterprise Data Security, Including Secure Cloud and Virtualization Solutions

5. Chapter 4: Deploying Enterprise Authentication and Authorization Controls

6. Section 2: Security Operations

7. Chapter 5: Threat and Vulnerability Management

8. Chapter 6: Vulnerability Assessment and Penetration Testing Methods and Tools

9. Chapter 7: Risk Mitigation Controls

10. Chapter 8: Implementing Incident Response and Forensics Procedures

11. Section 3: Security Engineering and Cryptography

12. Chapter 9: Enterprise Mobility and Endpoint Security Controls

13. Chapter 10: Security Considerations Impacting Specific Sectors and Operational Technologies

14. Chapter 11: Implementing Cryptographic Protocols and Algorithms

15. Chapter 12: Implementing Appropriate PKI Solutions, Cryptographic Protocols, and Algorithms for Business Needs

16. Section 4: Governance, Risk, and Compliance

17. Chapter 13: Applying Appropriate Risk Strategies

18. Chapter 14: Compliance Frameworks, Legal Considerations, and Their Organizational Impact

19. Chapter 15: Business Continuity and Disaster Recovery Concepts

20. Chapter 16: Mock Exam 1

21. Chapter 17: Mock Exam 2

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Understanding the PKI hierarchy

A PKI hierarchy describes the main components needed to process certificate signing requests (CSRs), authorize requests, and perform the signing process. Each component of the PKI plays an important role. In Figure 12.1, we can see an overview of the PKI hierarchy:

Figure 12.1 – Common components of PKI

We will now learn about these components.

Certificate authority

A certificate authority (CA) consists of an application server running a service called Certificate Services (or Linux/Unix equivalent daemon). There may be multiple levels of CAs; there will always be a root CA. In addition, there will normally be at least one more layer. This is known as the subordinate or intermediate CA. The root CA will typically be kept in a secure location, in many cases isolated (or air-gapped). The root CA only needs to be powered up and available to sign intermediate CA signing requests. For redundancy, an enterprise may...