1. Briefly explain SIX (6) different types and characteristics of common computer criminals. (6 marks) 2. What are FOUR (4) possible reasons why some organisations were seriously affected by computer malwares, while others were not? (8 marks) 3. a) Explain the nature of strong security program for managing security vulnerabilities. (7 marks) b) Briefly list the actions must be taken in response to a security incident. (4 marks) 4. Briefly discuss the FOUR (4) advantages and FOUR (4) disadvantages of certification. (8 marks)