Information sensitivity

This refers to information that is already a matter of public record or knowledge. For public information, further disclosure can do no harm.

This is information belonging to a private individual, but the individual commonly may share with others for personal or business reasons. This generally includes contact information such as addresses, telephone numbers, e-mail addresses, and so on. It may be considered a breach of privacy to disclose such information, but for most people its disclosure is not considered a serious matter.

However, there are situations in which the release of personal information could have a negative effect on its owner. For example, a person trying to avoid a stalker will be inclined to further restrict access to such personal information.

Information is private if it is associated with an individual and its disclosure might not be in the individual's best interests. This would include a broad range of information that could be exploited to cause a person damage.

A person's SSN, credit card numbers, and other financial information should be considered private, since their disclosure might lead to crimes such as identity theft or fraud.

Some types of private information, including records of a person's health care, education, and employment may be protected by privacy laws in some cases. Disclosing private information can make the perpetrator liable for civil remedies and may in some cases be subject to criminal penalties.

This includes business information that is not subjected to special protection and may be routinely shared with anyone inside or outside of the business.

Confidential business information refers to information whose disclosure may harm the business. Such information may include trade secrets as described in the "Economic Espionage Act of 1996 (18 U.S.C. § 1831–1839)". In practice, it may include sales and marketing plans, new product plans, and notes associated with patentable inventions. In publicly held companies, confidential information may include "insider" financial data whose disclosure is regulated by the United States Securities and Exchange Commission.

• Level 2 (light blue)
• requires some protection
• requires level 2 security clearance or higher
• public disclosure could have undesirable effects or do some harm.

• Level 3 (blue)
• requires protection
• requires level 3 security clearance or higher to access
• unauthorized disclosure could damage national security e.g. compromise information that indicates the strength of armed forces or disclosure of technical information about weapons, such as performance characteristics, test data, design, and production data.

• Level 4 (red)
• requires substantial protection
• requires level 4 security clearance or higher to access
• unauthorized disclosure could seriously damage national security.
• Wrongful disclosure could lead to a disruption of foreign relations, impair a program or policy directly related to national security, reveal significant military plans or intelligence operations, or compromise significant scientific or technological development relating to national security.
• most classified information falls into this category
• penalty can be a large fine and/or a 5 year to life imprisonment sentence

• Level 5 (orange)
• requires the highest degree of protection
• requires level 5 security clearance
• unauthorized disclosure could severely damage national security
• wrongful disclosure could lead to war against a nation or its allies, disrupt vital relations, compromise vital defense plans or cryptologic and communications intelligence systems, reveal sensitive intelligence operations, or could jeopardize a vital advantage in an area of science or technology.
• penalty can range from 5 years to life imprisonment or even the death penalty if considered treason.

• Level 6 (yellow)
• requires exceptionally high or special protection
• requires level 5 security clearance and special (Q) clearance and or invitation.
• unauthorized disclosure could existentially damage national security, international stability or wartime advantage
• wrongful disclosure could lead to loss or prolongation of a war, provide enemies with secret weapon technology or inform them of compromised top secret information.
• penalty will most likely be capital punishment due to treason.