Confidentiality builds trust between employer and employee and business owners have an obligation to keep staff information secure and trusted. ... To have their information shared is not only a breach in privacy, but it will destroy employee trust, confidence and loyalty. It will also cause a loss in productivity.
Answer: Because if information falls into the wrong hands, people will abuse that information and cause harm. For example, if a nuke password is not kept confidential, countries can easily set each others nukes off.
