1. Visit a reputable security website and summarise in a table the top 3 vulnerabilities and 3 exploits. Please note your research has to be up-to-date for the current year and month.

2. Critique the relevance of two (2) general security principles which can guide a firm's security-architecture design. Provide one real life case study of a security incident which could have been mitigated using these security principles.

3. What characteristics would make an encryption absolutely unbreakable? What characteristics would make an encryption impractical to break?

4. Investigate the computer security policy for your university or employer. Who wrote the policy? Who enforces the policy? Who does it cover? What resources does it cover?