Data is created, updated, exchanged and stored via networks. A network is any computing system where users are highly interactive and interdependent and by definition, not all in the same physical place. In any network, diversity abounds, certainly in terms of types of data, but also types of users. For that reason, a system of security is essential to maintain computing and network functions, keep sensitive data secret, or simply maintain worker safety. Information security is the application of measures to ensure the safety and privacy of data by managing it's storage and distribution.
Information security has both technical and social implications.
The first simply deals with the 'how' and 'how much' question of applying secure measures at a reasonable cost. The second grapples with issues of individual freedom, public concerns, legal standards and how the need for privacy intersects them. This discussion covers a range of options open to business managers, system planners and programmers that will contribute to your ultimate security strategy. The ultimate choice rests with the system designer and issuer. Data , including databases containing customer - related information.