One of the things that databases excel at is keeping data secure (which is just as well - databases often contain very sensitive data! - Identify the two primary categories of problems that data security aims to prevent.
- Brainstorm techniques used to secure data, and identify which problems that each technique is designed to protect against.
- Explain why some security methods are kept secret while others are not.
- Identify the kinds of requirements that can be enforced on passwords, and explain why they are needed.
- Distinguish between full and partial backup strategies.
- Outline the advantages and disadvantages of incremental and differential backups.
- Watch Safety in Numbers (by Marcus du Sautoy).
- Explain how single-key encryption functions.
- Explain how two-key encryption functions.
- Describe the ways in which mobile phones and tokens can be used to provide additional security.
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