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Intrusion Detection System (IDS)
Security
A tool that watches for suspicious activity and alerts you.
Definition
An IDS monitors network or system activity and warns you about suspicious behavior.
In plain English
A tool that watches for suspicious activity and alerts you.
Why this matters
Why it matters: Early detection can stop a breach before more data is stolen.
Example
Example: An IDS alerts when a server suddenly scans many ports or has unusual login attempts.