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Proprietary Information

nounverified·updated May 9, 2026

Material and information relating to or associated with a company's products, business, or activities, including but not limited to financial information; data or statements; trade secrets; product research and development; existing and future product designs and performance specifications; marketing plans or techniques; schematics; client lists; computer programs; processes; and know-how that has been clearly identified and properly marked by the company as proprietary information, trade secrets, or company confidential information. The information must have been developed by the company and not be available to the government or to the public without restriction from another source.

MWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Senses

SANS Glossary of Security Terms

Proprietary information is that information unique to a company and its ability to compete, such as customer lists, technical data, product costs, and trade secrets.

NIST SP 800-171r3attested usage pack match

No definition is given in NIST SP 800-171r3. The term is attested in use at 1 citation in that document; a definition is pending curation.

Classifications

Entity Type

Data92%llm-generatedllm:claude-haiku-4-5
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Sensitivity

Restricted88%llm-generatedllm:claude-haiku-4-5
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Information Class

Ip90%rule-basedr:info.ip.named.v1
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Variants

acronym
PROPIN
possessive
Proprietary Information's