The True Meaning of Information Security Management's Availability Concept

B.

The availability concept in information security management refers to ensuring that authorized individuals have reliable and timely access to resources when needed. In other words, it's about making sure that information and systems are available to those who need them, when they need them, and without any disruption or downtime.

Out of the given options, the statement that is true about the availability concept is option B: "It ensures reliable and timely access to resources." This statement accurately describes the primary goal of availability in information security management.

Option A, "It determines actions and behaviors of a single individual within a system," is incorrect because availability is not concerned with individual actions and behaviors but rather with the overall accessibility of resources.

Option C, "It ensures that unauthorized modifications are not made to data by authorized personnel or processes," is incorrect because it describes the integrity concept of information security management, which is about ensuring the accuracy and completeness of data and preventing unauthorized changes to it.

Option D, "It ensures that modifications are not made to data by unauthorized personnel or processes," is also incorrect because it describes the confidentiality concept of information security management, which is about ensuring that information is only accessible to authorized individuals and protecting it from unauthorized access or disclosure.

In summary, the correct statement about the availability concept of information security management is that it ensures reliable and timely access to resources.