---
title: "non-repudiation"
description: "The degree to which actions or events can be proven to have taken place, so that the actions or events cannot be repudiated later."
type: term
term_id: 811
language: English
language_code: gb
canonical: "https://glossary.istqb.org/en/term/non-repudiation"
slug: "non-repudiation"
url: "https://istqb-glossary.page/non-repudiation/"
---

# non-repudiation

The degree to which actions or events can be proven to have taken place, so that the actions or events cannot be repudiated later.

## Present in syllabi


- Advanced Test Analyst 2019
- Advanced Technical Test Analyst 2019

## Translations


- [Deutsch](https://istqb-glossary.page/de/nichtabstreitbarkeit/) — Nichtabstreitbarkeit
- [Português (Brasil)](https://istqb-glossary.page/br/nao-rejeicao/) — não rejeição
- [Polski](https://istqb-glossary.page/pl/niezaprzeczalnosc/) — niezaprzeczalność
- [Português](https://istqb-glossary.page/pt/nao-repudio/) — não-repúdio
- [Čeština](https://istqb-glossary.page/cz/nepopiratelnost/) — nepopiratelnost
- [Norsk](https://istqb-glossary.page/no/ikke-benekt/) — ikke-benekt

Read this term online: https://istqb-glossary.page/non-repudiation/

Markdown variant of the HTML page at https://istqb-glossary.page/non-repudiation/ — part of the
ISTQB Glossary (https://istqb-glossary.page), a linkable, machine-readable
republication of the ISTQB glossary under fair use. No affiliation with ISTQB.
