Practice Common Cryptographic Attacks (5) - Cryptography and Data Protection

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10 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a brute force attack?
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Think of trying every key on a keyring until one works.
Question 2.
What is a dictionary attack?
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Consider how a thief might use a list of common words to guess a password.
3Question 3.
What is a brute force attack?
- An attempt to use common passwords
- Trying all possible key combinations
- Intercepting communication
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Think about the number of keys that need to be tried to open a lock.
4Question 4.
True or False: A replay attack can be thwarted by using timestamps.
- True
- False
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Consider how freshness of data impacts security.
Question 5.
Discuss potential mitigations against side-channel attacks and their effectiveness.
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Consider how preventing data leaks can enhance security.
Question 6.
Illustrate a scenario where a replay attack could exploit a vulnerability in a system. Describe how you would secure the system against it.
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How can each transaction be verified as unique?

6 more questions in this section. Enroll free to practise them all.