# ISO/IEC 21827:2002 — Withdrawn and superseded ISO standards For ISO/IEC 21827:2002, item title is Information technology — Systems Security Engineering — Capability Maturity Model (SSE-CMM®); status code is 9599; successor is ISO/IEC 21827:2008; withdrawn / published date is 2002-10-17, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 21827:2002 _(verified: appears in the quote below)_ - **Item title:** Information technology — Systems Security Engineering — Capability Maturity Model (SSE-CMM®) _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 21827:2008 - **Withdrawn / published date:** 2002-10-17 _(verified: appears in the quote below)_ ## What the source says > 34731,IS,,ISO/IEC 21827:2002,Information technology — Systems Security Engineering — Capability Maturity Model (SSE-CMM®),Technologies de l'information — Ingénierie de sécurité système — Modèle de maturité de capacité (SSE-CMM®),2002-10-17,1,['35.030'],ISO/IEC JTC 1/SC 27,9599,,[44716],['en'],123, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).