Cybersource incident
Cybersource Access Control Server (CAS) OTP (One-Time Password) Service Disruption
Cybersource experienced a minor incident on July 23, 2026 affecting Access/Login - Business Center and Corporate Site and 1 more component, lasting 3h 40m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jul 23, 2026, 05:20 PM UTC
Cybersource is aware of an issue that is currently affecting One Time Passcode (OTP) delivery for Cybersource Access Control Server (CAS) merchants. We are investigating the cause and working urgently to resolve the issue. Impact: CAS merchants experienced delayed receipt of OTPs required for authentication and portal access. Valid users were unable to receive OTPs in a timely manner, causing login issues. Reported Start Time: 23 July 2026 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 Incident #:INC26538085
- investigating Jul 23, 2026, 05:27 PM UTC
Cybersource is aware of an issue that is currently affecting One Time Passcode (OTP) delivery for Cybersource Access Control Server (CAS) merchants. We are investigating the cause and working urgently to resolve the issue. Impact: CAS merchants experienced delayed receipt of OTPs required for authentication and portal access. Valid users were unable to receive OTPs in a timely manner, causing login issues. Reported Start Time: 23 July 2026 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 Incident #:INC26538085
- investigating Jul 23, 2026, 06:29 PM UTC
We are continuing to investigate this issue.
- monitoring Jul 23, 2026, 06:44 PM UTC
A fix has been implemented and we are monitoring closely to ensure the issue is resolved. Impact: The issue has been mitigated, and OTP processing has returned to normal. Reported Start Time: 23 July 2026 15:00 GMT Reported End Time: 23 July 2026 17:40 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 Incident #: INC26538085
- resolved Jul 23, 2026, 09:01 PM UTC
The issue affecting One Time Passcode (OTP) delivery for Cybersource Access Control Server (CAS) merchants has now been fully resolved. Cybersource is conducting an internal review of the events to mitigate future occurrences. Reported Start Time: 23 July 2026 15:00 GMT Reported End Time: 23 July 2026 17:40 GMT Impact: The issue has been fully resolved, and OTP delivery and user authentication have returned to 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 Incident #: INC26538085