# ISO/IEC TS 20540:2018 — Withdrawn and superseded ISO standards

For ISO/IEC TS 20540:2018, item title is Information technology — Security techniques — Testing cryptographic modules in their operational environment; status code is 9599; successor is ISO/IEC TS 20540:2025; withdrawn / published date is 2018-05-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC TS 20540:2018 _(verified: appears in the quote below)_
- **Item title:** Information technology — Security techniques — Testing cryptographic modules in their operational environment _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC TS 20540:2025
- **Withdrawn / published date:** 2018-05-18 _(verified: appears in the quote below)_

## What the source says

> 68294,TS,,ISO/IEC TS 20540:2018,Information technology — Security techniques — Testing cryptographic modules in their operational environment,Technologies de l'information — Techniques de sécurité — Test de modules cryptographiques dans leur environnement d'exploitation,2018-05-18,1,['35.030'],ISO/IEC JTC 1/SC 27,9599,,[84247],['en'],39,"<p>This document provides recommendations and checklists which can be used to support the specification and operational testing of cryptographic modules in their operational environment within an organization's security system. </p><p>The cryptographic modules have four security levels which ISO/IEC 19790 defines to provide for a wide spectrum of data sensit

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).