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Questions and Answers
What distinguishes network-based IDS from host-based IDS in terms of visibility?
What distinguishes network-based IDS from host-based IDS in terms of visibility?
- Host-based IDS have a complete picture of the network segment
- Network-based IDS see entire network packets, including header information (correct)
- Network-based IDS only monitor packet headers
- Host-based IDS are better at detecting network-borne attacks
What is the primary function of network-based IDS?
What is the primary function of network-based IDS?
- Intercepting system calls and analyzing them
- Identifying unauthorized file modifications
- Detecting DoS attacks and unauthorized user access (correct)
- Monitoring log files for indications of intrusions
What is a specific focus of network-based IDS systems?
What is a specific focus of network-based IDS systems?
- Intercepting and analyzing system calls
- Monitoring log files for indications of intrusions
- Analyzing unauthorized file modifications
- Locating packets missed by the firewall (correct)
What is a key strength of host-based IDS systems?
What is a key strength of host-based IDS systems?
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Which type of IDS is best at detecting unauthorized file modifications and user activity?
Which type of IDS is best at detecting unauthorized file modifications and user activity?
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Study Notes
Network-based IDS vs Host-based IDS
- Network-based IDS has visibility of network traffic, whereas host-based IDS has visibility of activities within a host or system.
- Primary function of network-based IDS is to monitor and analyze network traffic to identify signs of unauthorized access or malicious activity.
- Network-based IDS systems specifically focus on detecting and preventing attacks that are launched across the network.
Host-based IDS
- Key strength of host-based IDS systems is their ability to detect and respond to system-level anomalies and unauthorized activities.
- Host-based IDS is best at detecting unauthorized file modifications and user activity due to its visibility into system-level events and activities.
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