Remember IDS
Full name: Intrusion Detection System
Memory aid: Intrusion Detected: Sound the alarm.
An IDS is usually focused on detection rather than inline blocking.
Study area: Defense & security operations · Batch 3
Relevant study for: CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline · ISC2 SSCP · CompTIA CySA+ · CompTIA SecurityX · ISC2 CC · Cybersecurity Architect SC-100
Practice with exam flashcards →Cybersecurity & Identity / Knowledge library
IDS — Intrusion Detection System
Detects suspicious or policy-violating activity.
Why learn IDS — Intrusion Detection System?
Detects suspicious or policy-violating activity.
Where it came from
An IDS is usually focused on detection rather than inline blocking.
- Memory aid (a learning cue, not the expansion): Intrusion Detected: Sound the alarm.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand IDS: Intrusion Detection System.
- Recall this memory aid: Intrusion Detected: Sound the alarm.
- Explain the practical use: Detects suspicious or policy-violating activity.
- Explain this distinction: An IDS is usually focused on detection rather than inline blocking.
- Identify IDS in a device specification, architecture diagram, or system inventory.
Documentation and sources
- NIST cybersecurity glossary (csrc.nist.gov)