Note oj cyber security

The answer to this question is given below in this explanation section.

Explanation:

                               "cyber security"

cyber security refers to the body of technologies,Processes and practices designed to protect networks,devices,programs and data from attack,damage or unauthorized  access.Cyber security may also be referred to as information technology security.

Importance:

                         Cyber security is important because government financial and medical organization collect process and store unprecedented amounts of data on computer and other devices.A significant portion of that data can be sensitive information,whether that be intellectual property financial data personal information or other type of data for which unauthorized access or exposure could have negative consequences.organizations transmit sensitive data across network and to other devices in the course of doing business,and cyber security describes the discipline dedicated to protecting that information and the systems  use to process or store it.

Challenges of cyber security:

                  For an effective cyber security an organization needs to coordinates its effort throughout its entire information systems.Elements of cyber components all the following:

Managing cyber security:

            The national cyber security alliance,through recommends a top down  approach to cyber security in which corporate management leads the change in prioritizing cyber security management across all business practices. NCSA advises that companies must be prepaid to response to the inevitable cyber incident restore normal operations,and ensure that company assets and the company reputation are protected.

the answer is d underlined.