What is the term for information that should not be widely known and is kept from the public?

The term "confidential" specifically refers to information that is intended to be kept secret or restricted from public access. This designation indicates that the information is sensitive in nature and requires a certain level of protection to prevent unauthorized disclosure. In various fields, including law enforcement, legal matters, and personal privacy, confidentiality is a crucial aspect of maintaining trust and safeguarding crucial data.

In contrast, the other terms do not carry the same connotation of restricted access. "Disclosed" refers to information that has been revealed or made public, while "open" and "available" suggest that information is accessible to anyone without restriction, which contradicts the idea of keeping information from the public. Therefore, the choice of "confidential" accurately encapsulates the meaning of information that should not be widely known, emphasizing the need for privacy and discretion.