Enterprise Architecture
nounverified·updated May 9, 2026
The description of an enterprise’s entire set of information systems: how they are configured, how they are integrated, how they interface to the external environment at the enterprise’s boundary, how they are operated to support the enterprise mission, and how they contribute to the enterprise’s overall security posture.
MWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2
Senses
Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary
The overall design and high-level plan that describes an institution's operational framework and includes the institution's mission, stakeholders, business and customers, work flow and processes, data processing, access, security, and availability.
NIST SP 800-171r3attested usage pack match
No definition is given in NIST SP 800-171r3. The term is attested in use at 2 citations in that document; a definition is pending curation.
Classifications
Entity Type
Framework72%llm-generatedllm:claude-haiku-4-5
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Sensitivity
—85%llm-generatedllm:claude-haiku-4-5
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Information Class
—90%llm-generatedllm:claude-haiku-4-5
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Variants
- acronym
- EA
- plural
- Enterprise Architectures
- possessive
- Enterprise Architecture's
- pluralpossessive
- Enterprise Architectures'