Question 4 The three (3) main components of Operating Systems (OS) security are:. 1. Memory 2. Service 3. Files An OS is considered to be trusted if it is able to provide the following in a consistent and effective way: 1. Memory protection 2. File protection 3. General object access 4. User authentication (b) Provide FIVE (5) different intrusion or security breach within the OS which could be protected with an example for each scenario. [15 Marks]