OS security Flashcards
1
Q
What does the reference monitor do
A
It mediates all accesses
2
Q
What question does authentication solve
A
How do you prove to someone that you are who you claim to be?
3
Q
How can you prove who you are
A
What you know- Passwords, answering questions that only you know.
Where you are - IP address
What you are - biometrics
What you have- secure tokens
4
Q
What are some password security risks
A
Keyloggers, shoulder surfing, same password at multiple sites, broken implementations
5
Q
What is authorization
A
Determining whether some specific action us allowed by a user
