Question 4 Answer all of the following three subquestions. For each, explain the organisational policies or procedures that you recommend to prevent each activity from taking place. Also classify each control you recommend as whether a preventative, detective or a corrective control. a A clerk in the human resources section of a company creates a fictions employee in the personnel computer file. The business still uses cheques to pay salaries and wages. When the payroll cheque for the fictions employee is received for distribution, the clerk takes it and cashes it. As a guide, write about one half page. [7 marks] b A vendor employee forwards an invoice for $476 of packing materials to a large company that manufactures fragile components, but without sending the packing materials. The company is accustomed to receiving invoices from the vendor and makes the payment, which is intercepted by the same vendor employee for their own gain. As a guide, write about one half-page. [7 marks] A hacker is able to gain access to a company's computer system by guessing the password of his neighbour - Gertrude, the name of his neighbour's dog. As a guide, write about one half-page. [6 marks]