// definition
Service availability
Usable access for authorised users
Short definition
The property of a system or service that authorised users can access and use when needed, with the expected timeliness and reliability. Availability must be assessed for specified uses and users. Encryption protects confidentiality; maintaining a usable service also requires suitable technical resources and access rights.
risk atlas
Knowledge map
Intuition
A usable connection combines technical capability with authorised access.