Week 3 - Access Control

Question 1

What are the three stages of access control for a user?

Answer 1

1. Identification
2. Authentication
3. Authorization

Question 2

What are the three factors of user authentication?

Answer 2

• Something you know (e.g., passwords, PINs).
• Something you have (e.g., tokens, access cards).
• Something you are (e.g., biometrics like fingerprints or iris scans).

Question 3

What is multifactor authentication (MFA)?

Answer 3

using 2 or more authentication factors from differenct categories

e.g
biometrics + password

Question 4

Why is multifactor authentication more secure than single-factor authentication?

Answer 4

if one is compromised other factor provide extra layer of assurance