(Solved): 10. Compare THREE (3) key distinguishing features between PGP (Pretty Good Privacy) and SMIME (Secu ...

10. Compare THREE (3) key distinguishing features between PGP (Pretty Good Privacy) and SMIME (Secure/Multipurpose Internet Mail Extension). [3 marks] 11. A malicious attacker must have methods, opportunity and motive in order to break into any computer systems. Briefly discuss what are method, opportunity and motive. [6 marks] 12. Discuss FOUR (4) main components of Public Key Infrastructure and elaborate how PKI (Public key infrastructure) can assist in ensuring three key security requirements i.e. confidentially, integrity and non-repudiation. [7 marks] 13. An operating system is termed as trusted if and only if it meets the intended security requirements that is of high quality and justified the user confidence. Compare Trusted System and the Secure System from TWO (2) different perspectives. [4 marks] 14. The purpose of security policies is to provide an extensive framework for security management across the enterprise. For such purpose, policies, standards and the proper guidelines must be documented with the help of experts. Compare Policies, standard and the guideline with the help of ONE (1) example each