You Are the Chief Security Officer for the Astra Corporation

You are the chief security officer for the Astra Corporation.You have decided that the risk of viruses is too great to allow employees to install and run games on the company's computer system.
Required:
a.What types of controls are required,and what is the objective of the required controls?
b.List three procedures that you can implement to guard against the unauthorized installation of software (and the inadvertent installation of viruses)on company computers.