1A - Designing Software

Question 1

Benefits of developing secure software

Answer 1

1. protect data from cyber threats ( prevent security breaches)
2. comply with legal regulations
3. Improve system reliability (+reputation)

Overall, this reduces costs and can be a competitive advantage (compensation after a breach, software modifications after a breach, non-compliance fines)

Question 2

Data protection methods

Answer 2

1. Encryption
2. Secure physical data storage (eg offline backups)
3. Access controls

Question 3

Sensitive information

Answer 3

1. Personal information (e.g. name, age)
   
   • identity theft, discrimination
2. Health records (e.g. medical records, diagnoses)
   
   • discrimination, reputation,
3. Financial information (e.g. card pin)
4. Business secrets (e.g. proprietary techniques)
   
   • competition, indirect finanacial loss

Question 4

Fundamental software development steps to develop secure code

Answer 4

1. Requirements definition
2. Determining specifications
3. Design
4. Development
5. Integration
6. Testing and Debugging
7. Installation
8. Maintenance

Question 5

Objects vs Classes

Answer 5

Classes are blueprints and objects are instances of a class.