Availability: This principle ensures systems, applications and data are available and accessible to authorized users when they need them. Networks, systems and applications must be constantly up and running to ensure critical business processes are uninterrupted.

What is availability in security management?

Availability is protecting the functionality of support systems and ensuring data is fully available at the point in time (or period requirements) when it is needed by its users. The objective of availability is to ensure that data is available to be used when it is needed to make decisions.

Why availability of information is important?

The concept of Information Availability is defined as the protection against malevolent concealment of information. That means, no users are permitted to hide the information, of which another user may be having the access rights.