Answer :
Final answer:
This answer provides an overview of Network Intrusion, Intrusion Detection Systems, and common IDS types for a presentation on selecting an IDS software.
Explanation:
Definition Slide: What is Network Intrusion and how does it work?
An intrusion refers to unauthorized access or activities on a network. It can work by exploiting vulnerabilities in systems to gain access without permission.
Explanation Slide: What is an Intrusion Detection System and what is the purpose of such a system?
An Intrusion Detection System (IDS) is a security tool that monitors network or system activities for malicious activities or policy violations and alerts system administrators. Its purpose is to detect security threats in real-time and respond to them.
Types of Intrusion Detection Systems Slide: Describe 4 common types.
- Network-based IDS (NIDS): Monitors network traffic for suspicious patterns.
- Host-based IDS (HIDS): Monitors activities on individual devices for signs of intrusion.
- Signature-based IDS: Matches patterns of known attacks.
- Anomaly-based IDS: Detects abnormal behavior deviations.
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