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Network security

IYM003

This module is concerned with the protection of data transferred over commercial information networks, including computer and telecommunications networks.

After an initial brief study of current networking concepts, a variety of generic security technologies relevant to networks are studied, including user identification techniques, authentication protocols and key distribution mechanisms. This leads naturally to consideration of security solutions for a variety of types of practical networks, including LANs, WANs, proprietary computer networks, mobile networks and electronic mail.

Topics covered

  • Introductory Network Concepts and ISO
  • Introductory Network Security Concepts
  • Biometric Technologies
  • Introduction to Secure Protocols
  • Secure Protocols and VPNs: IPSEC
  • Secure Protocols and VPNs: TLS and SSH
  • E-mail Security
  • Wireless Networking
  • Firewalls
  • Mobile Security: GSM
  • Intrusion Detection Systems
  • SIEM tools

Learning outcomes

If you complete the course successfully, you should be able to:

  • understand of the fundamentals of the provision of security in information networks
  • appreciate of some of the problems that arise in devising practical solutions to network security requirements

Assessment

This module is assessed by a two hour unseen written examination.

Essential reading

  • Network Security Essentials: Applications and Standards (Stallings)
  • Computer Networks & Internets (Comer)