1.2 Summarise Fundamental Security Concepts

Question 1

Confidentiality, Integrity, and Availability (CIA)

Answer 1

Fundamental principles of information security ensuring data is kept confidential, accurate, and available when needed

Question 2

Non-Repudiation

Answer 2

Assurance that a sender cannot deny the authenticity or integrity of a message or transaction.

Question 3

Authentication, Authorisation, and Accounting (AAA)

Answer 3

Authenticating People: Verifying the identity of users.
Authenticating Systems: Confirming the identity of devices or systems.
Authorisation Models: Determining what resources users or systems can access.

Question 4

Gap Analysis

Answer 4

Assessment of the difference between current security measures and desired security objectives.