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Questions and Answers
What is the goal of a passive attack?
What is the goal of a passive attack?
- To prevent the sender from transmitting data
- To obtain information being transmitted (correct)
- To alter the data being transmitted
- To encrypt the data being transmitted
How are passive attacks typically detected?
How are passive attacks typically detected?
- By encrypting the data being transmitted
- By altering the data being transmitted
- By preventing the sender from transmitting data
- By observing the traffic pattern (correct)
How can the success of passive attacks be prevented?
How can the success of passive attacks be prevented?
- By involving a third party in data transmission
- By altering the data being transmitted
- By using encryption (correct)
- By increasing the data transmission speed
What is the emphasis in dealing with passive attacks?
What is the emphasis in dealing with passive attacks?
Which type of active attack involves one entity pretending to be another entity?
Which type of active attack involves one entity pretending to be another entity?
Why are active attacks like Masquerade difficult to prevent?
Why are active attacks like Masquerade difficult to prevent?
What is the main goal of a replay attack?
What is the main goal of a replay attack?
What characterizes a denial of service attack?
What characterizes a denial of service attack?
In what way does a passive attack differ from an active attack?
In what way does a passive attack differ from an active attack?
What is the primary focus of authentication in network security?
What is the primary focus of authentication in network security?
What is a passive attack in the context of network security?
What is a passive attack in the context of network security?
How does a data modification attack differ from a replay attack?
How does a data modification attack differ from a replay attack?
What is a common form of an active attack in network security?
What is a common form of an active attack in network security?
Which best describes an active attack?
Which best describes an active attack?
What is the main goal of an active attack?
What is the main goal of an active attack?
In the context of network security, what is the purpose of encryption?
In the context of network security, what is the purpose of encryption?
Which type of attack would aim to disrupt, deny, degrade, or destroy information system resources?
Which type of attack would aim to disrupt, deny, degrade, or destroy information system resources?
What is a key difference between passive and active attacks in network security?
What is a key difference between passive and active attacks in network security?
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Study Notes
Passive Attacks
- The goal of a passive attack is to intercept and monitor network traffic without altering it.
- Passive attacks are typically detected through the use of intrusion detection systems (IDS) and traffic analysis.
- To prevent the success of passive attacks, encryption and secure communication protocols should be used.
Active Attacks
- An impersonation attack, where one entity pretends to be another, is a type of active attack.
- Active attacks like Masquerade are difficult to prevent because they often involve complex authentication and access control mechanisms.
- The main goal of a replay attack is to intercept and retransmit sensitive information, such as login credentials.
Denial of Service (DoS) Attacks
- A denial of service attack is characterized by an attempt to make a computer or network resource unavailable by overwhelming it with traffic.
Key Differences between Passive and Active Attacks
- A passive attack differs from an active attack in that it involves intercepting and monitoring network traffic without altering it, whereas an active attack involves altering or modifying the data.
Authentication in Network Security
- The primary focus of authentication in network security is to verify the identity of users, devices, or systems.
Data Modification Attacks
- A data modification attack differs from a replay attack in that it involves altering or modifying the data in transit, whereas a replay attack involves retransmitting intercepted data.
Common Forms of Active Attacks
- A common form of an active attack is a masquerade attack, where an attacker impersonates a legitimate user or device.
Active Attack Goals
- The main goal of an active attack is to disrupt, deny, degrade, or destroy information system resources.
Encryption in Network Security
- The purpose of encryption in network security is to protect data in transit from interception and unauthorized access.
Disruptive Attacks
- A denial of service attack aims to disrupt, deny, degrade, or destroy information system resources.
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