# 3591 — FIPS 140 validated cryptographic modules: active, historical or revoked For 3591, vendor is Cisco Systems, Inc; module name is Cisco Catalyst 9500 Series Switches; module type is Hardware; validation date is 01/06/2020 06/08/2020 03/30/2021 02/18/2022; status is Historical, verified against its source on 2026-08-05. - **Certificate number:** 3591 _(verified: appears in the quote below)_ - **Vendor:** Cisco Systems, Inc. _(verified: appears in the quote below)_ - **Module name:** Cisco Catalyst 9500 Series Switches _(verified: appears in the quote below)_ - **Module type:** Hardware _(verified: appears in the quote below)_ - **Validation date:** 01/06/2020 06/08/2020 03/30/2021 02/18/2022 _(verified: appears in the quote below)_ - **Status:** Historical _(verified: appears in the quote below)_ - **Standard:** FIPS 140-2 _(verified: appears in the quote below)_ ## What the source says > 3591 | Cisco Systems, Inc. | Cisco Catalyst 9500 Series Switches | Hardware | 01/06/2020 06/08/2020 03/30/2021 02/18/2022 | Historical | ## Source - https://csrc.nist.gov/Projects/cryptographic-module-validation-program/validated-modules/Search?SearchMode=Advanced&Standard=140-2&CertificateStatus=Historical&ValidationYear=0 Last verified: 2026-08-05. Review by: 2026-09-04. Part of [FIPS 140 validated cryptographic modules: active, historical or revoked](https://referencesource.org/fips-140-module-validation-status/).