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Modern Cryptography for Cybersecurity Professionals

You're reading from Modern Cryptography for Cybersecurity Professionals Learn how you can leverage encryption to better secure your organization's data

Product type Paperback

Published in Jun 2021

Publisher Packt

ISBN-13 9781838644352

Length 286 pages

Edition 1st Edition

Concepts

Cryptography

Author (1):

Lisa Bock

View More author details

Table of Contents (16) Chapters

Preface

1. Section 1: Securing Our Data

2. Chapter 1: Protecting Data in Motion or at Rest FREE CHAPTER

3. Chapter 2: The Evolution of Ciphers

4. Chapter 3: Evaluating Network Attacks

5. Section 2: Understanding Cryptographic Techniques

6. Chapter 4: Introducing Symmetric Encryption

7. Chapter 5: Dissecting Asymmetric Encryption

8. Chapter 6: Examining Hash Algorithms

9. Section 3: Applying Cryptography in Today's World

10. Chapter 7: Adhering to Standards

11. Chapter 8: Using a Public Key Infrastructure

12. Chapter 9: Exploring IPsec and TLS

13. Chapter 10: Protecting Cryptographic Techniques

14. Assessments

15. Other Books You May Enjoy

Outlining an IPsec VPN

IP is a connectionless network layer protocol that is responsible for addressing and routing data through a network. On its own, IP is not secure. To protect the data while in transit, you should use encryption. One way to accomplish this is by using IPsec.

IPsec secures the communication stream by encrypting and/or authenticating either IP version 4 (IPv4) or IP version 6 (IPv6) packets as they travel through a network. Using an IPsec VPN can ensure the confidentiality and integrity of data while assuring authentication between two entities. IPsec can be set up to secure communications in several ways, as shown in the following figure:

Figure 9.7 – Securing the path

Figure 9.7 – Securing the path

IPsec can secure communication between the following parties:

Host to host: For example, between two servers on a local area network (LAN)
Gateway to gateway: For example, between two routers
Host to gateway: For example, between a remote host...

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Authors (1)

Lisa Bock

Lisa Bock

Lisa Bock is an experienced author with a demonstrated history of working in the e-learning industry. She is a security ambassador with a broad range of IT skills and knowledge, including on Cisco Security, CyberOps, Wireshark, biometrics, ethical hacking, and IoT. Lisa is an author for LinkedIn Learning and an award-winning speaker who has presented at several national conferences. She holds an MS in computer information systems/information assurance from UMGC. Lisa was an associate professor in the IT department at Pennsylvania College of Technology (Williamsport, PA) from 2003 until her retirement in 2020. She is involved with various volunteer activities, and she and her husband Mike enjoy bike riding, watching movies, and traveling.

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