What is an Intrusion Detection System (IDS) and How Does it Work?

Learn about Intrusion Detection Systems (IDS) that detect unauthorized access but do not prevent it, enhancing network security.

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Intrusion detection systems (IDS) will detect but not prevent unauthorized access. These systems monitor network traffic for suspicious activity and alert administrators when a potential security breach occurs, allowing for timely intervention.

FAQs & Answers

  1. What is the difference between an IDS and an IPS? An IDS detects unauthorized access while an Intrusion Prevention System (IPS) can actively block and prevent such breaches.
  2. How does an IDS alert administrators? An IDS monitors network traffic for suspicious activity and sends alerts to system administrators for potential security breaches.
  3. What are common types of IDS? Common types of IDS include network-based IDS (NIDS) and host-based IDS (HIDS), each monitoring different aspects of network activity.