Types of Active Attacks in Cryptography

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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?

To contain the impact of active attacks and limit their spread (A) Signup and view all the answers

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

Replay attack (D) 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?

Modification of messages attack (C) Signup and view all the answers

What is the purpose of network segmentation in cybersecurity?

To limit the exposure of sensitive information to potential eavesdroppers (D) Signup and view all the answers

Which cybersecurity measure can help prevent unauthorized access to data?

Implementing network segmentation (A) Signup and view all the answers

What do active attacks involve in terms of data manipulation?

Altering the content of data packets (D) Signup and view all the answers

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

Masquerade attack (B) Signup and view all the answers

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

Modification of data streams (A) Signup and view all the answers

How can firewalls contribute to cybersecurity defense mechanisms?

Limiting the exposure of sensitive information (D) Signup and view all the answers

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

Packet sniffing (B) Signup and view all the answers

What is the primary objective of a passive attack?

To intercept and eavesdrop on communication (D) Signup and view all the answers

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

Encryption (D) Signup and view all the answers

What is a masquerade attack?

An attack where the attacker impersonates a legitimate user or system (D) Signup and view all the answers

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

SQL injection (A) Signup and view all the answers

What is the primary difference between passive and active attacks?

Active attacks require direct interaction with the target system, while passive attacks do not (B) Signup and view all the answers