Drop in EMV3DS success rate for Visa transactions - Resolved

We confirm that the emergency change to trust the new TLS certificate Visa is presenting has now been rolled out on our silos and we confirm that with this change , we see the challenge success percentage for Visa EMV3DS transaction has now been restored for all our silos. We have also received an update from Visa that there were certificate related changes which were made on their side which caused this issue. With this update we confirm that the incident stands resolved.

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We have started rolling out the emergency change to trust the new TLS certificate Visa is presenting in a phased manner on our silos and we are noticing that the challenge success rate is showing recovery on silos where the change has been executed and services restarted. We shall get back to you with the next update by 09:00 AM GMT.

Our internal team have finalized the emergency change to trust the new / changed TLS certificate Visa is presenting and we are progressing with this change on all silos to see if this would be restoring the challenge success rate for Visa EMV3DS transactions. We are still awaiting an update from Visa on their findings about this issue. We shall get back to you with the next update by 08:30 AM GMT.

We are still waiting to hear back from Visa team on the issue which we have highlighted to them. We are exploring options internally to see if an emergency change ticket is feasible to trust the new / changed TLS certificate Visa is presenting now in order to help restore the service in the meantime. We shall get back to you with further update by 08:00 AM GMT.

We confirm that at this point the challenge success rate for Visa EMV3DS transactions continues to be impacted. The cause of failure appears to be TLS certificate mismatch for the ACS to Visa Directory Server connectivity during RReq cycle. We have reached out to Visa highlighting the need for urgent attention and are waiting to hear back from them. We shall get back to you with a next update by 07:30 AM GMT.

We have been alerted of a drop in EMV3DS challenge success rate for Visa transactions. The problem appears to have started at 0544 GMT today and our teams are currently on an incident response call working toward recovery.

3DS 1.0.2 transactions and transactions for other schemes are not impacted.