Ensuring the reliable access to the information by authorized users, processes or devices.
Availability is the third component of the CIA Triad. In web business especially, availability is crucial. If Amazon.com, for example, were to go down, Amazon would start losing out on millions of dollars every minute. In order to provide constant availability to their services, Amazon spends millions of dollars on data centers to house thousands of servers, each with a huge amount of power and storage capacity. Amazon has to have top-notch cybersecurity practices to prevent being hacked: the bigger you are, more you’ll be targeted by hackers.