Brute-force Attacks

1. What is the primary goal of a brute force attack?

   • A) To install malware on a system
   • B) To guess or create combinations of passwords or other authentication tokens
   • C) To intercept network traffic
   • D) To exploit a software vulnerability

2. Which of the following best describes a password dictionary in the context of brute force attacks?

   • A) A list of encrypted passwords
   • B) A collection of commonly used passwords and authentication tokens
   • C) A database of system vulnerabilities
   • D) A tool for generating random passwords

3. What factor increases the difficulty of a brute force attack?

   • A) Short, simple passwords
   • B) Long, random passwords containing a variety of characters
   • C) Single-factor authentication
   • D) Commonly used passwords

4. What does multi-factor authentication do in the context of brute force attacks?

   • A) It encrypts passwords
   • B) It requires multiple pieces of authentication information
   • C) It blocks all brute force attempts
   • D) It stores passwords securely

5. Which type of brute force attack involves guessing encryption keys?

   • A) Password cracking
   • B) Brute force password dictionaries
   • C) Encryption key guessing
   • D) Dictionary attack

6. Which of the following is NOT a recommended measure to mitigate brute force attacks?

   • A) Using strong passwords
   • B) Implementing multi-factor authentication
   • C) Using password managers
   • D) Using weak encryption keys

7. What is one benefit of using password managers in protecting against brute force attacks?

   • A) They generate random passwords
   • B) They encrypt passwords
   • C) They securely store and manage passwords
   • D) They block brute force attempts

8. What does a brute-force detection tool do?

   • A) Generates passwords
   • B) Identifies and blocks brute-force attempts
   • C) Encrypts authentication tokens
   • D) Creates password dictionaries

9. How can strong encryption keys affect the success of brute force attacks?

   • A) They make encryption faster
   • B) They make the attacker’s job easier
   • C) They make guessing the key much more difficult
   • D) They reduce the need for multi-factor authentication

10. Which of the following is a form of brute force attack specifically targeting passwords?

    • A) Encryption key guessing
    • B) Brute force password dictionaries
    • C) Password cracking
    • D) Phishing

Answers:

1. B) To guess or create combinations of passwords or other authentication tokens
2. B) A collection of commonly used passwords and authentication tokens
3. B) Long, random passwords containing a variety of characters
4. B) It requires multiple pieces of authentication information
5. C) Encryption key guessing
6. D) Using weak encryption keys
7. C) They securely store and manage passwords
8. B) Identifies and blocks brute-force attempts
9. C) They make guessing the key much more difficult
10. C) Password cracking