Network Security

Network Security focuses on protecting networks and data. It covers threats, firewalls, intrusion detection, and secure network design.

Network Security

Course Title: Network Security

Course No: BIT457

Nature of the Course: Theory + Lab

Semester: 8

Full Marks: 60 + 20 + 20

Pass Marks: 24 + 8 + 8

Credit Hours: 3

Course Description

This course covers the fundamental concepts of network security protocols, wireless security concepts, basics of security in cloud and IoT.

Course Objectives

The main objective of this course is to provide knowledge of network security so that students will be able to implement a secure network architecture using different security protocols and technologies.

Course Contents

1. Computer Network Security Fundamentals

3 hrs

1.1. Introduction, Securing the Computer Network

1.2. Forms of Protection, Security Standards

2. User Authentication

4 hrs

2.1. Principles

2.2. Using Symmetric/Asymmetric Encryption

2.3. Federated Identity Management

3. Transport Level Security

6 hrs

3.1. Web Security

3.2. TLS, HTTPS

3.3. Secure Shell (SSH)

4. Wireless Network Security

6 hrs

4.1. Wireless Security, Mobile Device Security

4.2. IEEE 802.11 Wireless LAN Overview and Security

IEEE 802.11i

5. Electronic Mail Security

8 hrs

5.1. Internet Mail Architecture, Threats

5.2. S/MIME, PGP

5.3. DNSSEC, Sender Policy Framework

5.4. DKIM, DMARC

6. IP Security

6 hrs

6.1. Policy, Authentication Header

6.2. ESP, Security Associations

6.3. Internet Key Exchange

7. Network Endpoint Security

5 hrs

7.1. Firewalls

7.2. Intrusion Detection System

7.3. Malicious Software

7.4. DDoS Attacks

8. Cloud and Internet of Things (IOT) Security

7 hrs

8.1. Cloud Security

Cloud Security Concepts, Risks and Countermeasures

Security as a Service, open-source modules

8.2. IoT Security

IoT Security Concepts and Objectives

Laboratory Works

The laboratory work includes implementation and simulation of Network Security Protocols

1.Intrusion Detection Systems
2.DDoS Attacks
3.Cloud Security
4.IoT Security Systems

Text Books

1.William Stallings, Cryptography and Network Security: Principles and Practice, 8th Edition, Pearson, 2020
2.Joseph Migga Kizza, Computer Network Security Fundamentals, 5th Edition, Springer, 2020

Notes:

This syllabus follows the official BIT curriculum of Tribhuvan University. In case of any doubt or revision, the university’s published syllabus shall be considered authoritative.

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