Network Security

Course description

Security has become one of the essential aspects of networking. This course covers the need for and the building blocks of network and information security, threats to our networks today and fundamental principles of secure network design. It also provides coverage of different threat landscape topics and common attacks such as VLAN hopping, MAC snooping and denial-of-service (DoS). The course introduces VPNs and the related ingredients of cryptography. The course ends by presenting various firewall concepts and the technologies used by them.


LAN attacks, ICMP, Risk Analysis, IPsec, ACL, Firewall.


Introduction to networking.


  • Network Security Architectures, by Sean Convery, 2004
  • Computer System Security: Basic Concepts and Solved Exercises, by Gildas Avoine, Philippe Oechslin, and Pascal Junod, 2007
  • Computer Security and the Internet: Tools and Jewels, by Paul C. van Oorschot, 2020
  • Guide to Computer Network Security (5th edition), by Joseph Migga Kizza, 2020


Mohamed Sabt is an Associate Professor (Maître de conférences) at the University of Rennes 1. Mohamed Sabt’s research focuses on:

  • Identification of flaws inside the design of security protocols as well as their implementations,
  • Smartphones security, Secure Elements (SE), and Trusted Execution Environment (TEE),
  • Digital Rights Management (DRM).

Mohamed Sabt carries out his research within the SPICY Team at IRISA.

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