Fundamentals of InfoSecintermediate
The security goal that keeps systems and information usable when authorized users need them is _____.
Answer
availability
Explanation
### Why this is right
Availability means that authorized users can access usable information and services when needed. It is distinct from confidentiality, which limits access, and integrity, which concerns trustworthy data and authorized changes.
### The concept
An outage or resource exhaustion can threaten availability even if no information is disclosed or altered. Security planning therefore needs controls that keep systems operational and support recovery.
### Terms
- **Availability**: The ability of authorized users to access usable systems and information when needed.
### Remember
Outages primarily threaten availability.
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