Making sure that the data is accessible when and where it is needed is which of the following?
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A. B. C. D.D.
Availability is making sure that the data is accessible when and where it is needed.
Source: KRUTZ, Ronald L.
& VINES, Russel.
D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 59.
The correct answer is D. availability.
Availability refers to the ability of authorized users to access and use data when needed, and is an essential aspect of information security. Ensuring data availability involves implementing measures to prevent and mitigate downtime, interruptions, and outages that can result from system failures, natural disasters, cyber attacks, or other incidents.
To maintain data availability, organizations should have robust backup and recovery procedures in place, such as regular data backups, redundant hardware and software systems, and failover mechanisms. They should also perform regular system maintenance and testing to identify and fix vulnerabilities before they can lead to disruptions.
Confidentiality, on the other hand, refers to protecting data from unauthorized access or disclosure. This involves measures such as encryption, access controls, and security policies.
Integrity refers to ensuring the accuracy, completeness, and consistency of data over its entire lifecycle. This involves measures such as data validation, error detection and correction, and access controls.
Acceptability is not a recognized term in information security, but can refer to the extent to which users are willing to adopt and use security measures and policies. It is often addressed through awareness training and communication programs.