Availability
From Govit
Availability is defined as “Ensuring timely and reliable access to and use of information…”
A loss of availability is the disruption of access to or use of information or an information system.
Technologies and services that maintain an appropriate Availability posture are:
Network monitoring- Including Intrusion Detection, and Intrusion Prevention (IPS/IDS)
Contingency and Continuity of Operations Planning (COOP)
Backup and Restoration
Anti-virus Protection
Security Perimeter Architectures The proportion of time a system is up an running; as compared to the time it isinoperable due to failures; natural disasters or malicious attacks. Also known as"uptime."

