1_2_14 Section 1 – Attacks, Threats, and Vulnerabilities - 1.2 – Attack Types - Cryptographic Attacks
31 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a common challenge when dealing with cryptographic attacks?

  • Ensuring the security of data during transmission (correct)
  • Sharing encryption keys with multiple parties
  • Randomizing data before encryption
  • Developing new encryption algorithms
  • In cryptographic attacks, what technique do attackers frequently use if they lack the decryption key?

  • Using brute force to crack the encryption
  • Exploiting weaknesses in the implementation of cryptography (correct)
  • Accessing a backup decryption key
  • Collaborating with insiders for access
  • What type of attack is based on the probability of two students sharing a birthday in a classroom?

  • Student coincidence strike
  • Birthday breach
  • Classroom assault
  • Birthday attack (correct)
  • Why is it important to secure data during its transmission?

    <p>To prevent attacks based on cryptographic vulnerabilities</p> Signup and view all the answers

    What increases the likelihood of two students sharing a birthday in a classroom?

    <p>Having more students in the classroom</p> Signup and view all the answers

    What aspect of cryptographic attacks do attackers typically focus on when attempting to access encrypted data?

    <p>Implementation vulnerabilities</p> Signup and view all the answers

    What is a 'hash collision' in the digital world?

    <p>When two different plain texts create exactly the same hash</p> Signup and view all the answers

    How can hash collisions be prevented?

    <p>By increasing the size of the hash</p> Signup and view all the answers

    Why are collisions considered bad in hashing?

    <p>Hashes are always supposed to be unique</p> Signup and view all the answers

    Which hashing algorithm experienced a well-known collision issue in 1996?

    <p>MD5 (Message Digest Algorithm version 5)</p> Signup and view all the answers

    What type of attack involves downgrading encryption during communication?

    <p>Downgrade attack</p> Signup and view all the answers

    What encryption mechanism was succeeded by Transport Layer Security (TLS)?

    <p>SSL (Secure Sockets Layer)</p> Signup and view all the answers

    What version of SSL was prone to cryptographic vulnerabilities, leading to a downgrade attack in 2014?

    <p>SSL 3.0</p> Signup and view all the answers

    In a downgrade attack, what did the two devices communicate at after being forced to downgrade?

    <p>SSL version 3.0</p> Signup and view all the answers

    What happened after the vulnerability in SSL 3.0 was discovered in 2014?

    <p>'We all configured our servers not to allow SSL 3.0'</p> Signup and view all the answers

    'Poodle' refers to a downgrade attack that affected which encryption mechanism?

    <p>'Secure Sockets Layer (SSL)'</p> Signup and view all the answers

    What is a common method attackers use to gain access to encrypted data if they don't have the decryption key?

    <p>Exploiting cryptographic vulnerabilities</p> Signup and view all the answers

    In cryptographic attacks, what often allows attackers to access encrypted data?

    <p>Flaws in the implementation of cryptography</p> Signup and view all the answers

    What is a significant factor that increases the likelihood of successful attacks on encrypted data?

    <p>Mismanagement of cryptographic keys</p> Signup and view all the answers

    Why do attackers focus on finding inconsistencies and vulnerabilities in data transfer methods?

    <p>To exploit weaknesses in the cryptography implementation</p> Signup and view all the answers

    What is a key takeaway from the concept of the birthday attack mentioned in the text?

    <p>Probability plays a significant role in cybersecurity</p> Signup and view all the answers

    How does the birthday attack concept relate to cybersecurity threats?

    <p>It demonstrates the importance of understanding probability in attacks</p> Signup and view all the answers

    What is a hash collision in the digital world?

    <p>When two completely different types of plain text create exactly the same hash</p> Signup and view all the answers

    What does increasing the size of a hash do in terms of collisions?

    <p>Decreases the potential for collisions</p> Signup and view all the answers

    What was the major concern related to the MD5 hash collision in 2008?

    <p>Fake certificate authorities could be created</p> Signup and view all the answers

    In cryptographic terms, what can a downgrade attack result in?

    <p>Forcing communication at a lower level of encryption</p> Signup and view all the answers

    What was the significance of researchers finding a vulnerability in Transport Layer Security in 2014?

    <p>It led to a downgrade attack to SSL version 3.0</p> Signup and view all the answers

    Why are hash collisions considered problematic in cryptography?

    <p>They violate the uniqueness of hash values</p> Signup and view all the answers

    What did the 'Poodle' downgrade attack exploit in 2014?

    <p>Vulnerabilities in SSL 3.0 encryption</p> Signup and view all the answers

    How did researchers exploit MD5 hash collisions in 2008?

    <p>Created fake legitimate certificate authorities</p> Signup and view all the answers

    What could be a consequence of allowing SSL 3.0 encryption in communication?

    <p>'Poodle' attacks can easily decrypt data</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser