# 4081 — FIPS 140 validated cryptographic modules: active, historical or revoked For 4081, vendor is Pitney Bowes, Inc; module name is X4i Postal Security Device (PSD); module type is Hardware; validation date is 11/30/2021 01/05/2023 09/01/2023; status is Active, verified against its source on 2026-08-05. - **Certificate number:** 4081 _(verified: appears in the quote below)_ - **Vendor:** Pitney Bowes, Inc. _(verified: appears in the quote below)_ - **Module name:** X4i Postal Security Device (PSD) _(verified: appears in the quote below)_ - **Module type:** Hardware _(verified: appears in the quote below)_ - **Validation date:** 11/30/2021 01/05/2023 09/01/2023 _(verified: appears in the quote below)_ - **Status:** Active _(verified: appears in the quote below)_ - **Standard:** FIPS 140-2 _(verified: appears in the quote below)_ ## What the source says > 4081 | Pitney Bowes, Inc. | X4i Postal Security Device (PSD) | Hardware | 11/30/2021 01/05/2023 09/01/2023 | Active | ## Source - https://csrc.nist.gov/Projects/cryptographic-module-validation-program/validated-modules/Search?SearchMode=Advanced&Standard=140-2&CertificateStatus=Active&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/).