Cyber Defense

Question 1

What is the primary goal of cryptography?

Answer 1

To hide information by denying message content to an interceptor, even if the message is intercepted.

Question 2

What are the three fundamental areas of cryptography?

Answer 2

Encryption, Hashing, and Steganography.

Question 3

In asymmetric encryption, what is the role of the public key?

Answer 3

It is used to encrypt messages or verify digital signatures and can be shared openly.

Question 4

What is a brute force attack in the context of password security?

Answer 4

An attack that tries every possible input combination until the correct one is found.

Question 5

What is Defense in Depth?

Answer 5

A strategy of using multiple layers of security controls throughout a system to provide redundancy.