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Important notice for TransUnion Net Access (TUNA) Customers

Please be advised that TransUnion will disable the use of SHA-1 digital certificates on August 20, 2017. We strongly recommend that your organization migrates to a TUNA SHA-2 digital certificate immediately. For additional information, see General Announcement #155.

If you are an existing TUNA customer and have not yet downloaded the new SHA-2 digital certificate, please see the Implementation Instructions for the SHA-2 Upgrade (please log in to access the instructions).

For more information about TUNA, see the TransUnion Net Access Resources page.

SSL 3.0 no longer supported by TransUnion

Beginning April 12, 2015, TransUnion will no longer support Secure Sockets Layer (SSL) 3.0. The preferred Internet Browser versions include:
  • Internet Explorer (IE), versions 7-11(v11 highly preferred)
  • Google Chrome, versions 1-40
  • Mozilla Firefox, versions 1-36


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