How does a network-based IDS (NIDS) differ from a host-based IDS (HIDS)?

  • NIDS is software-based; HIDS is hardware-based
  • NIDS monitors host system logs and activities; HIDS monitors network traffic
  • NIDS monitors network traffic; HIDS monitors host system logs and activities
  • NIDS relies on anomaly detection; HIDS relies on signature-based detection
NIDS and HIDS are distinct intrusion detection systems. NIDS monitors network traffic for suspicious activities, while HIDS focuses on monitoring the activities and logs of a specific host system. They differ in their monitoring scope.
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