Enterprise Networking, Security, and Automation Companion Guide (CCNAv7)

Chapter 3

Network Security Concepts

Objectives

Upon completion of this chapter, you will be able to answer the following questions:

• What is the current state of cybersecurity and vectors of data loss?

• What tools do threat actors use to exploit networks?

• What are the types of malware?

• What are common network attacks?

• How are IP vulnerabilities exploited by threat actors?

• How are TCP and UDP vulnerabilities exploited by threat actors?

• How are IP services exploited by threat actors?

• What are the best practices for protecting a network?

• What are the common cryptographic processes used to protect data in transit?

Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

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cybercriminal ...