In the context of computer and network security, means that a system must not allow the disclosing of information by anyone who is not authorized to access it.

Confidentiality

Explanation:

Cyber security can be defined as a preventive practice of protecting computers, software programs, electronic devices, networks, servers and data from potential theft, attack, damage, or unauthorized access by using a body of technology, frameworks, processes and network engineers.

In Cybersecurity, there are certain security standards, frameworks, antivirus utility, and best practices that must be adopted to ensure there's a formidable wall to prevent data corruption by malwares or viruses, protect data and any unauthorized access or usage of the system network.

In the context of computer and network security, confidentiality simply means that a computer system used for performing certain functions such as exchange of data must not allow the disclosing of information to and by anyone who is not authorized to access it.

Confidentiality refers to the act of sharing an information that is expected to be kept secret, especially between the parties involved. Thus, a confidential information is a secret information that mustn't be shared with the general public.

In conclusion, confidentiality requires that access to collected data be limited only to authorized staffs or persons.