You are an outside consultant specialising in computer security brought in by an organisation to advice on the security aspects to the new computer centre.

i. What potential physical threats would you make your client aware of and precautionary measures would you suggest be taken? Advise on the techniques that can be implemented to control access to the computer centre?

ii. You also feel that a contingency plan is an essential aspect of the new computing facility. Explain to the client the purpose of such a plan, how it might be developed, and the standby options which are available.

(b) Describe six possible ways of validating data, both before it is entered into a computer system, and by use of data validation program.