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BALANCING SECURITY AND ACCESSEven with best planning and implementation, it is impossible to obtain perfect security, that is, it is a process, not an absolute. Security should be taken as balance between the protection and availability. To achieve balance, level of security should allow reasonable access, yet protect against threats. Figure given below illustrates the basic idea of balancing between security and access of information system.
Figure--Balancing Security and Access
The Cost Benefit Analysis (CBA) Formula CBA determines that whether the control alternative being evaluated is worth cost incurred to control vulnerability or not. CBA easily ca
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(a) Describe the concept of zero knowledge proofs. Give a practical example. (b) Explain how a one way hash function works. (c) What are message authentication codes? (d)
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Question 1: (a) (i) Radio waves are subject to several propagation problems. Name any three of them. (ii) A Wi-Fi receiver requires a signal power of 50mW to operate correc
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Question: (a) Describe fully with example the two access control methods available to implement database security. (b) Discuss why database statistics (meta data) provide es
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