Fundamentals of Information Systems Security, 4th Edition

Business and Security Requirements for Cryptography

This section will cover information security principles for internal security in businesses, security in business relationships, and security measures that benefit everyone and how cryptography can address them.

Internal Security

A number of security objectives add value to a business. They include the following:

• Confidentiality—Confidentiality means that information is readable only by authorized people. For example, most companies keep salary information confidential.

• Privacy—Privacy is often confused with confidentiality, but privacy differs from confidentiality in that it protects the release of information that could identify an individual. For example, information that discloses that ...