Intrusion Detection System (IDS) is best defined as which of the following?
- A. An attack method that systematically tries every possible password combination until the correct one is found.
- B. A cryptographic technique used to verify the authenticity and integrity of a digital message or document.
- C. A type of malware that self-replicates and spreads across networks without needing to attach to another program.
- D. A security tool that monitors network traffic for suspicious activity and alerts administrators. ✓
Correct answer
D. A security tool that monitors network traffic for suspicious activity and alerts administrators.
Explanation
Intrusion Detection System (IDS) refers to a security tool that monitors network traffic for suspicious activity and alerts administrators.