The security of computer networks is a key element in cyber security. Computer networking provides the foundational connectivity services that are used for the world wide web, distributed computer applications and services, operations and manufacturing, and national infrastructure.
Introduction to Network Security
Introduction to Network Security
This course is part of Cyber Security – Technology and Governance Specialization
Taught in English
Instructor: Guido Schmitz
Included with 
Course
Gain insight into a topic and learn the fundamentals
4.9
(12 reviews)
Beginner level
No prior experience required
26 hours (approximately)
Flexible schedule
Learn at your own pace
Details to know
Shareable certificate
Add to your LinkedIn profile
Assessments
6 quizzes
Course
Gain insight into a topic and learn the fundamentals
4.9
(12 reviews)
Beginner level
No prior experience required
26 hours (approximately)
Flexible schedule
Learn at your own pace
See how employees at top companies are mastering in-demand skills
Build your subject-matter expertise
This course is part of the Cyber Security – Technology and Governance Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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There are 6 modules in this course
In the first week, we will obtain an overview of the course and, in particular, get an overview of communication principles in networks as well as its threats. You will also reflect on your own expectations of what the course will teach. The key concepts for this week are messages, channels and network adversaries.
What's included
5 videos5 readings1 quiz2 discussion prompts
In this week, we will take an in-depth look into the concept of network layering. Furthermore, we will discuss how network communication is performed with lower-layer network technology, such as Ethernet.
What's included
6 videos5 readings1 quiz2 discussion prompts
In this week, we will explore the Internet Protocol (IP) that enables communication across several networked systems. We will discuss how IP builds upon the data-link network layer, how IP addresses can be assigned, and how messages can be forwarded.
What's included
6 videos4 readings1 quiz1 discussion prompt
In this week, we will conclude our exploration on the Internet Protocol (IP) that we have started last week. We will discuss how IP operates on a large-scale level and forms the global Internet. Furthermore, we will discuss how we can address messages to applications running on the same system and using the same IP address.
What's included
5 videos3 readings1 quiz1 discussion prompt
In this week, we will continue our discussion of the transport layer and learn about the Transmission Control Protocol (TCP). Furthermore, we will learn how applications communicate with each other using application protocols.
What's included
5 videos4 readings1 quiz1 discussion prompt
In our final week, we will see how we can build secure channels that aim for confidentiality and integrity. We will take a closer look at how the widely-used protocol transport layer security (TLS) constructs such channels.
What's included
6 videos5 readings1 quiz2 discussion prompts
Instructor
Recommended if you're interested in Computer Security and Networks
Royal Holloway, University of London
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Reviewed on Dec 6, 2023
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Frequently asked questions
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