About This Chapter
Introduction to Network Security - Chapter Summary
Work through this chapter at your own pace to get a thorough introduction to network security basics. The chapter's short and simple lessons outline essential topics related to network security, such as network security testing, threats, attacks, vulnerabilities, risk assessment, design, policy and more. Each lesson comes with a short quiz to help you retain the information while it's fresh in your mind. Take the chapter exam to further your understanding of these concepts, and submit questions to our subject-matter experts if you need any extra help. The chapter is also available online around-the-clock to help you study at any time and place that's convenient. By the end of the chapter, you should be able to:
- Explain the fundamentals of network security
- Compare network security types
- Test network security
- Recognize different types of network security attacks
- Outline procedures regarding network security policy
- Discuss the principles and best practices of network security design
- Describe the methodology behind network security risk assessment
- Evaluate several types of network security threats
- Assess the purpose of security zones
- Define the concept of zero day vulnerability
1. What is Network Security? - Definition & Fundamentals
This lesson offers a brief overview of network security fundamentals. We'll define the basic definition of network security and cover the scope of the field.
2. Types of Network Security
Network security is a fundamental concept that is essential to any company using information technology. This lesson lists a few of the common types of network security systems and describes their role on the network.
3. How to Test Network Security
A network is the foundation of most businesses these days. In this lesson, we'll take a look at network security: what it is, how to test it, and some tools that can be used for testing.
4. Types of Attacks in Network Security
Network security specialists must face a wide variety of threats to their data and devices. In this lesson, we'll look at a number of the different types of attacks that can occur.
5. What is a Network Security Policy? - Procedures & Examples
In most group activities, we use rules for common behavior. Using a network in a group setting is no different; there are rules for computer access in order to protect the data. In this lesson, we'll define what a network security policy is and discuss its usage.
6. Network Security Design: Best Practices & Principles
Security is very important these days, and it starts at the network level. In this lesson, we'll take a look at network security, what it is, what network security design is, best practices, and some principles to follow.
7. Network Security Risk Assessment: Checklist & Methodology
Networks are the entry point for a lot of systems, and as such legitimate targets. In this lesson, we'll take a look at network security, what it is, a checklist for implementing it, and a methodology that can be followed.
8. Network Security Threats: Types & Vulnerabilities
In this lesson, we will define networks, the social aspects of a network, and the three common network vulnerabilities that leave a network open to hostile attacks.
9. Security Zones: Definition & Purpose
In this lesson, we will define a security zone and discuss the importance of these zones. We will also discuss the goals of a security zone and how they are established.
10. What is Zero Day Vulnerability?
While Zero Day Vulnerability may sound more like a spy movie than a computer security concern, the fact is that it remains one of the worst possible jobs that a software developer must face.
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