Types of Active Attacks in Cryptography
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Questions and Answers

What is the primary goal of a Denial of Service (DoS) attack?

  • To modify system configurations
  • To disrupt normal system operations (correct)
  • To steal sensitive data
  • To gain unauthorized access to a system
  • Which type of active attack involves one entity pretending to be another entity to deceive users or systems?

  • Masquerade attack (correct)
  • Denial of Service attack
  • Replay attack
  • Message modification attack
  • How can active attacks be prevented?

  • By implementing firewalls and network segmentation
  • By enforcing strong access controls and authentication mechanisms
  • By using cryptographic techniques to secure communication
  • All of the above (correct)
  • What is the primary purpose of network segmentation in the context of active attacks?

    <p>To contain the impact of active attacks and limit their spread</p> Signup and view all the answers

    What type of active attack involves the capture and retransmission of data units to produce unauthorized effects?

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

    Which type of active attack aims to manipulate information, disrupt communication, or deceive recipients by altering data packets, messages, or commands?

    <p>Modification of messages attack</p> Signup and view all the answers

    What is the purpose of network segmentation in cybersecurity?

    <p>To limit the exposure of sensitive information to potential eavesdroppers</p> Signup and view all the answers

    Which cybersecurity measure can help prevent unauthorized access to data?

    <p>Implementing network segmentation</p> Signup and view all the answers

    What do active attacks involve in terms of data manipulation?

    <p>Altering the content of data packets</p> Signup and view all the answers

    Which type of attack involves the creation of false data streams to disrupt system operations?

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

    What are the characteristics of active attacks as described in the text?

    <p>Modification of data streams</p> Signup and view all the answers

    How can firewalls contribute to cybersecurity defense mechanisms?

    <p>Limiting the exposure of sensitive information</p> Signup and view all the answers

    Which of the following is an example of a passive attack?

    <p>Packet sniffing</p> Signup and view all the answers

    What is the primary objective of a passive attack?

    <p>To intercept and eavesdrop on communication</p> Signup and view all the answers

    Which of the following is an effective countermeasure against passive attacks?

    <p>Encryption</p> Signup and view all the answers

    What is a masquerade attack?

    <p>An attack where the attacker impersonates a legitimate user or system</p> Signup and view all the answers

    Which of the following is an example of an active attack?

    <p>SQL injection</p> Signup and view all the answers

    What is the primary difference between passive and active attacks?

    <p>Active attacks require direct interaction with the target system, while passive attacks do not</p> Signup and view all the answers

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