Availability

Definition(s):

The property that data or information is accessible and useable upon demand by an authorized person.

Source: HIPAA

Merriam-Webster Online Dictionary

availability (noun)

the quality or state of being - available

an available person or thing

Availability is the degree to which a system, service, or resource is operational and accessible when needed. It is often expressed in terms of a percentage of uptime or downtime.

Glossary: High Availability
Glossary: Service Level Agreement (SLA) [SLA]
Financial Services Continuity
Glossary: Cyber Attack
Business Continuity