Welcome to second news update for 2022, this time focusing on Visa.
Effective 15 October 2022, Visa will discontinue support of 3-D Secure 1.0.2 and related technology.
In an effort to optimize the merchant-initiated transaction (MIT) framework, Visa will restrict token-originated standing instruction MITs to card-on-file tokens only.
Standing instruction MITs are transactions that address pre-agreed instructions from cardholders for the provision of goods and services and are performed as follow-ups to a cardholder-initiated transaction (CIT).
Other than by using primary account numbers (PANs), a popular method to initiate a standing instruction MIT is done by the merchant accepting a token payload provided by a digital wallet. Effective with the October 2022 VisaNet Business Enhancements release, Visa will restrict standing instruction MITs initiated by tokens to card-on-file (COF) tokens only. This change is being implemented in order to optimize the MIT framework and enhance security. COF tokens are domain-restricted to the merchant and provide a higher level of security and better
visibility of the end-merchant to the issuer.
The following standing instruction MITs that are initiated by tokens will be impacted by this change:
Acquirers should advise their merchants to prepare for this upcoming requirement. Merchants are advised to work with their payment providers to initiate the process toward supporting merchant COF tokens.
Tokens will continue to be supported for CITs and industry-standard MITs as usual.
Visa is reminding clients to maintain adequate controls to swiftly detect and block enumeration attacks and account testing schemes. While 3DSecure is an effective block of enumeration attacks failure to block enumeration attacks will leads to traffic overload on 3DSecure systems which associated costs.
Visa provides an excellent guide on mitigating these attacks at the link below:
https://usa.visa.com/content/dam/VCOM/global/support-legal/documents/visa-guidance-to-guard-against-enumeration-attacks.pdf
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