The security goal that concerns whether authorized users can access systems and information when needed is _____.
Answer
availability
Explanation
### Why this is right
Availability is the part of the confidentiality, integrity, and availability model concerned with access when authorized users need it. An outage or loss of access to critical data can therefore be an availability problem.
### The concept
The three model elements address different questions. Confidentiality asks who can see information; integrity asks whether information remains accurate and properly changed; availability asks whether authorized users can get to systems and data. A cyberattack can affect more than one element at once.
### Terms
- **Availability**: The condition of being accessible to authorized users when required.
- **Outage**: A period when a system or service is unavailable.
### Remember
If the problem is inability to use a needed system, think availability.
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