TS ISO/IEC/IEEE 15026-1

TS ISO/IEC/IEEE 15026-1 is a vocabulary standard for systems and software assurance. It defines assurance-related terms and organizes the core concepts used to build a shared understanding of assurance in systems and software engineering. In practical terms, it helps different teams use the same language when discussing evidence, arguments, and confidence in system or software properties.

A common language for assurance

In the general technical context of systems engineering, assurance is about developing justified confidence that a system or software product meets relevant properties of concern. Those properties may include dependability, safety, security, availability, integrity, or other qualities depending on the application domain. A vocabulary standard matters because assurance work often spans requirements, evidence, analysis, and stakeholder communication, and each of those activities depends on consistent terminology.

What this part covers and what it leaves out

According to the supplied scope, this document supports users of ISO/IEC/IEEE 15026-2, -3 and -4 by establishing an organized set of concepts for assurance. It does not cover vocabulary for assurance of a service that is operated and managed on an ongoing basis. It also does not prescribe exactly how particular properties are to be measured, demonstrated, or analysed.

That makes this part a conceptual foundation rather than a procedure or test method document. It is most useful when a project needs precise terms for assurance arguments, evidence discussions, or related documentation across systems and software engineering activities.