--- title: "Update authenticator metadata" slug: "s3suite94-update-authenticator-metadata" updated: 2026-10-27T18:42:23Z published: 2026-10-27T18:42:23Z canonical: "docs.onespan.com/s3suite94-update-authenticator-metadata" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.onespan.com/llms.txt > Use this file to discover all available pages before exploring further. # Update authenticator metadata ## **Introduction** Vendors frequently release new authenticators or update existing ones. In addition, vulnerabilities may be discovered in existing authenticators, requiring that their use be limited or phased out. This information is stored in the FIDO Metadata Service hosted by the FIDO Alliance. Only the Metadata Service 3 (MDS3) is supported.