Podcast
Questions and Answers
What is one of the limitations of signature-based intrusion detection systems?
What is one of the limitations of signature-based intrusion detection systems?
- Efficient in real-time analysis
- Requires minimal resources
- Continuous manual task of obtaining and maintaining signature files (correct)
- High cost of implementation
Which type of detection system compares the activities of a process with the expected behavior for that type of process?
Which type of detection system compares the activities of a process with the expected behavior for that type of process?
- Pattern-based
- Anomaly-based (correct)
- Signature-based
- Behavior-based
Why might it be challenging to use anomaly-based intrusion detection systems?
Why might it be challenging to use anomaly-based intrusion detection systems?
- They are efficient in real-time analysis
- They are highly cost-effective
- Creating profiles to reflect expected behavior is difficult (correct)
- They require minimal resources
What is a common issue faced by intrusion detection systems in a real-time analysis?
What is a common issue faced by intrusion detection systems in a real-time analysis?
What type of logic is used by signature-based intrusion detection systems to detect intrusions?
What type of logic is used by signature-based intrusion detection systems to detect intrusions?
Why does maintaining signature files pose a challenge for signature-based intrusion detection systems?
Why does maintaining signature files pose a challenge for signature-based intrusion detection systems?
What distinguishes passive measures from active measures in Intrusion Detection Systems?
What distinguishes passive measures from active measures in Intrusion Detection Systems?
Where is intrusion detection typically performed in a network-based IDS?
Where is intrusion detection typically performed in a network-based IDS?
Which type of intrusion detection system is specific to a single application?
Which type of intrusion detection system is specific to a single application?
What is the primary function of host-based intrusion detection?
What is the primary function of host-based intrusion detection?
Why are active measures in intrusion detection important?
Why are active measures in intrusion detection important?
What defines application-based intrusion detection?
What defines application-based intrusion detection?
What does the National Institute of Standards and Technology (NIST) define as an intrusion?
What does the National Institute of Standards and Technology (NIST) define as an intrusion?
What is the consequence of a low proportion of actual intrusions in access attempts?
What is the consequence of a low proportion of actual intrusions in access attempts?
Which term refers to the process of monitoring computer systems or networks for signs of intrusions?
Which term refers to the process of monitoring computer systems or networks for signs of intrusions?
What is the main purpose of using an Intrusion Detection System (IDS) as stated in SP 800-31?
What is the main purpose of using an Intrusion Detection System (IDS) as stated in SP 800-31?
What are some of the causes of intrusions as defined by NIST in SP 800-31?
What are some of the causes of intrusions as defined by NIST in SP 800-31?
Why does SP 800-31 mention the importance of using an IDS?
Why does SP 800-31 mention the importance of using an IDS?