Outcome 3:Understand Security Threats and Protection

Table of Contents

1. Introduction
2. Security threats
3. Protection Methods
   1. Browser settings
   2. How to change Settings
   3. E-mail filters
   4. Anti-Malware Software
   5. Security Zones
   6. Public and Private
   7. Demilitarised Zone (DMZ)
   8. Implementing a DMZ
   9. Intranets and Extranets
   10. VPN Activity
   11. Intrusion Detection Systems
4. Summary
5. SAQ 1

Security Zones

[D]

By now you should be aware of how a firewall can be used to filter traffic in and out of a network. They can therefore be used to help split networks up into security zones

• Public and Private
• Demilitarised Zones
• Intranets and Extranets
• Virtual LAN

Next: Public and Private