Week 1A - Intro to Fundamental Security Concepts

Question 1

Cyber Security

Answer 1

Measures to protect the confidentiality, integrity and availability of systems and data

Question 2

Information Security

Answer 2

The protection of information and information systems from unauthorised access, use, disclosure, disruption, modification or destruction

Question 3

What is an asset?

Answer 3

Assets are things that have value

Question 4

What are the 3 components of the CIA Triad?

Answer 4

Confidentiality, Integrity, Availability

Question 5

Confidentiality

Answer 5

Assurance that information is not disclosed to unauthorized individuals.

Question 6

Integrity

Answer 6

Assurance that data is not modified by unauthorized individuals

Question 7

Availability

Answer 7

Assurance that resources are accessible and usable when required by authorized users

Question 8

Apart from the CIA Triad, what are two more security goals?

Answer 8

Authentication and Non-Repudiation

Question 9

Two-types of Authentication

Answer 9

Entity Authentication & Data Origin Authentication

Question 10

Entity Authentication

Answer 10

The process of verifying a claimed identity

Question 11

Data Origin Authentication

Answer 11

Verifying the source (and integrity) of a received message

Question 12

Non-Repudiation

Answer 12

Creation of evidence that an action has occurred, so users cannot falsely deny the action later