Answer to Question #273626 in Computer Networks for Jennifer

Question

Using 4 examples , explain the following components of the triad for a database that stores records of students' marks

a. Confidentiality

.b integrity

.c Availability

Answer 1

Confidentiality

When protecting information, we want to be able to restrict access to those who are allowed to see it; everyone else should be disallowed from learning anything about its contents. This is the essence of confidentiality. For example, student viewing his grades in the portal without anyone else seeing.  The university must be sure that only those who are authorized have access to view the grade records.

Integrity

Integrity is the assurance that the information being accessed has not been altered and truly represents what is intended. Just as a person with integrity means what he or she says and can be trusted to consistently represent the truth, information integrity means information truly represents its intended meaning. Information can lose its integrity through malicious intent, such as when someone who is not authorized makes a change to student grades does so. An example of this would be when a hacker is hired to go into the university’s system and change a grade. Integrity can also be lost unintentionally, such as when a computer power surge corrupts a file or someone authorized to make a change accidentally deletes a file or enters incorrect information.

Availability

Information availability is the third part of the component triad. Availability means that information can be accessed and modified by anyone authorized to do so in an appropriate timeframe. Depending on the type of information, appropriate timeframe can mean different things. For example, a student needs to access his/her grades the information needs to be available immediately.