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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

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Product type Paperback
Published in Jun 2021
Publisher Packt
ISBN-13 9781838644352
Length 286 pages
Edition 1st Edition
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Author (1):
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Lisa Bock Lisa Bock
Author Profile Icon Lisa Bock
Lisa Bock
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Toc

Table of Contents (16) Chapters Close

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

Understanding TLS

For many years, consumers have been conducting transactions on the internet. Up until recently, a website could get away with not having a secure connection. However, most consumers nowadays insist on some form of encryption to protect against malicious activity.

Secure Sockets Layer (SSL)/TLS-based VPNs have been around since the early 1990s. Netscape (which later became Firefox) developed this protocol to secure traffic while on the internet. Originally known as SSL, this method was widely recognized as a way to secure traffic between clients and web browsers. The protocol has improved over the years in the following ways:

  • SSL 2.0-SSL 3.0 represent early versions of the protocol. SSL 3.0 is no longer used.
  • TLS 1.0 is essentially an upgrade of SSL 1.0; although the protocol was to be deprecated in 2020, you may still see this version in use.
  • TLS 1.1 was released in 2006. TLS 1.1 was also to be deprecated in 2020; however you may still see this...
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