29 - Cyber Attack

Question 1

What is a DoS (Denial of Service) Attack?

Answer 1

A cyber attack that violates the Availability pillar

• Does not involve network services
• Involves
  
  • Crashing the server
  • Keep it busy doing spurious work for the attacker

Question 2

What is a DDoS (Distributed Denial of Service) Attack?

Answer 2

Similar to a DoS attack, but involves many hosts attacking a system

Question 3

What is a brute force attack in terms of password cracking?

Answer 3

Generating and checking all possible passwords

Question 4

What is a dictionary attack in terms of password cracking?

Answer 4

Starting with a list of potential passwords and hashing and comparing them (and perhaps variations of them) against what’s in the password file

Question 5

What is a Rainbow Table Attack in terms of password cracking?

Answer 5

Looking up the hashes you’ve found in a large table of precomputed hash values (note that the use of salt essentially defeats this attack).