Network Security and Control
Network security and control is an important aspect of an IS audit. It helps to ensure the confidentiality, integrity, and availability of data and systems by verifying that appropriate safeguards are in place to protect against unauthorized access, data breaches, and other network-related risks. In this chapter, you will explore various components of the network, the OSI layer, and other security aspects of networking. You will learn about the functions of each type of firewall. This chapter also deals with the Virtual Private Network (VPN) and Voice over Internet Protocol (VoIP).
This chapter covers Domain 5, Protection of Information Assets, part A, Information Asset Security and Control. The following topics will be covered in this chapter:
- Network and endpoint devices
- Firewall types and implementation
- VPN
- VoIP
- Wireless networks
- Email security
- Data loss prevention
By the end of this chapter, you will be able...