Primary definition
The scope of activities associated with a system, encompassing the system's initiation, development and acquisition, implementation, operation and maintenance, and ultimately its disposal that instigates another system initiation. (SP 800-34; CNSSI-4009) (NISTIR)
Also known asSoftware Development Life Cycle · SDLC · System Life Cycle · Software Life Cycle · Application Lifecycle Management · ALM
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
The scope of activities associated with a system, encompassing the system's initiation, development and acquisition, implementation, operation and maintenance, and ultimately its disposal that instigates another system initiation. (SP 800-34; CNSSI-4009) (NISTIR)
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). System Development Life Cycle – (sdlc). In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/system-development-life-cycle-sdlc
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
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