Payer Authentication Processing

Update timeline

1. identified Sep 27, 2026, 03:36 AM UTC

   We have identified the issue affecting the performance of the Payer Authentication Service and we appreciate your patience as we work urgently to implement a mitigation. Impact: Users may experience issues with e-commerce authentication via the Payer Authentication Service. Next Update: Within 60 minutes We regret any inconvenience this may cause for our customers. We will provide regular updates until the issue is mitigated. Please do not hesitate to contact the Cybersource support team if you have any questions or concerns. Cybersource Support Center

2. identified Sep 27, 2026, 04:08 AM UTC

   Mitigation actions have been implemented, and service performance has significantly improved. Transaction processing and authentication services have largely recovered. Our teams continue to closely monitor the environment and perform additional validation to ensure service stability across all affected components. Impact: Users may experience issues with e-commerce authentication via the Payer Authentication Service. Next Update: Within 60 minutes We regret any inconvenience this may cause for our customers. We will provide regular updates until the issue is mitigated. Please do not hesitate to contact the Cybersource support team if you have any questions or concerns.

3. monitoring Sep 27, 2026, 04:35 AM UTC

   The issue affecting the Payer Authentication Service is mitigated. We are monitoring closely to ensure the issue is resolved. Impact: The issue has been mitigated and customers are now able to use the Payer Authentication Service as normal. Reported Start Time: 09/27/2026 02:16 GMT Next Update: As current status changes. Please do not hesitate to contact the Cybersource support team if you have any questions or concerns. Cybersource Support Center

4. resolved Sep 27, 2026, 01:41 PM UTC

   The issue affecting the Payer Authentication Service has now been fully resolved. Cybersource is conducting an internal review of the events to mitigate future occurrences. Reported Start Time: 27 September 2026, 02:16 GMT Reported End Time: 27 September 2026, 03:21 GMT Impact: Customers are now able to use the Payer Authentication Service as normal. Next Update: No further updates, issue resolved. Please do not hesitate to contact the Cybersource support team if you have any questions or concerns. Cybersource Support Center

5. postmortem Sep 29, 2026, 09:40 PM UTC

   Clients and merchants can access the Post Incident Report with their Support Center login credentials at the following [link](https://support.visaacceptance.com/knowledgebase/Knowledgearticle/?code=KA-12095).