Advanced – Non-Functional Testing
ISO/IEC 25010 – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
The international standard that defines the quality model for software products and computer systems.
In simple words
The reference model with 8 product quality characteristics and 5 quality-in-use characteristics.
Exam tip
ISTQB non-functional testing is built on ISO 25010 — memorise the 8 characteristics.
Related terms
Practice this term in the ISTQB Mock Test
40 CTFL v4.0 questions, 60-minute timer, instant scoring and chapter-wise breakdown.
Practice in Mock Test