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Intrusion Detection System

What are the 3 types of intrusion detection systems?
Intrusion detection systems fall into one of three categories: Host Based Intrusion Detection Systems (HIDS), Network Based Intrusion Detection Systems (NIDS), and hybrids of the two.
What is the purpose of the IDS?
An Intrusion Detection System (IDS) is a monitoring system that detects suspicious activities and generates alerts when they are detected.
Based upon these alerts, a security operations center (SOC) analyst or incident responder can investigate the issue and take the appropriate actions to remediate the threat.
What is an example of a NIDS?
An example of an NIDS would be installing it on the subnet where firewalls are located in order to see if someone is trying to break into the firewall.
Ideally one would scan all inbound and outbound traffic, however doing so might create a bottleneck that would impair the overall speed of the network.
What is an intrusion prevention system? An intrusion prevention system (IPS) is a network security tool (which can be a hardware device or software) that continuously monitors a network for malicious activity and takes action to prevent it, including reporting, blocking, or dropping it, when it does occur.

What is an Intrusion Detection System? An intrusion detection system (IDS) is a device or software application that monitors a network for malicious activity or policy violations. Any malicious activity or violation is typically reported or collected centrally using a security information and event management system.

Intrusion Detection System

What are the 3 types of intrusion detection systems?

What is the purpose of the IDS?

What is an example of a NIDS?