Content Area 8

Question 1

What are the principles of information security

Answer 1

1. Confidentiality
2. Integrity
3. Availability

Question 2

Explain what the C stands for in the principle of information security

Answer 2

Confidentiality ensures that information is only accessible to those who need it and who are authorised to use it, this prevents unauthorised users from getting the information

Question 3

Explain what the I in the principle of information security means

Answer 3

Integrity ensures that the infromation remains accurate, consistent and trustworthy as long as it is kept to ensure consistency in the data type. It involves keeping the data secure from mistakes or any alteractions whether intentionally or by mistake.

Question 4

In what way can information be kept confidential

Answer 4

• Encryption
• Access control
• Data masking

Data masking is hiding real data with modified content

Question 5

In what way can the integrity of data be assured

Answer 5

• Data validation
• Check sums
• Digital signatures
• Access control

Checksums are used to check the integrity of data for errors during transmission or storing of the file

Question 6

In what way can the availability of data be assured

Answer 6

Through
* Redundancy
* Fault tolerance
* Disaster recovery planning
* Generally planning for contingencies

Question 7

Explain what A in the principles of security mean

Answer 7

Availabilty ensure that the data and computing resources are accessible and usable when needed by authorised users. This can involve data duplication and data redundancy.