Resolved after 43 minutes, affecting Payment Services and Digital Banking Services, on October 9, 2026.
Postmortem: INC229450 – Interac e-Transfer Service Outage On October 9, 2026, Interac experienced an e-Transfer service disruption between approximately 9:21 a.m. and 9:45 a.m. PT \(12:21 p.m. and 12:45 p.m. ET\). During this period, financial institutions using the Interac e-Transfer platform experienced transaction failures, service disruptions, and delays. Interac reported that approximately 147,920 transactions were affected across all financial institutions. Following the initial recovery, Central 1 continued to observe a small number of transaction timeouts due to elevated Interac service latency until approximately 10:28 a.m. PT \(1:28 p.m. ET\). These timeouts subsequently recovered, and services returned to normal. In its postmortem, Interac confirmed that the incident was caused by "an Oracle software defect impacting Dynamic Resource Mastering operations," which resulted in a prolonged database hang and disrupted transaction processing. In simpler terms, a defect within Interac's Oracle database environment temporarily prevented the e-Transfer platform from processing transactions normally. Interac restored service by restarting the affected services, restoring database connectivity, and redistributing processing across its database environment. Performance remained elevated during stabilization but returned to normal once processing workloads were rebalanced. Interac has since implemented Oracle's recommended fix across its production environments and updated its Severity 1 communication procedures. Interac continues to work with Oracle to obtain a detailed root cause analysis and review how critical software defects are communicated. Central 1 will continue to monitor Interac's remaining corrective actions through Interac Problem PRB0042951. Interac's Corrective Action Status Target/Completion Date \* Obtain a detailed root cause analysis from Oracle In progress October 2026 \* Implement Oracle's recommended fix in the production environment Completed October 15, 2026 \* Update and reinforce timely Severity 1 communication procedures Completed October 16, 2026 \* Review Oracle's notification process for critical software defects In progress To be determined
Affected components
Update timeline
- identified Oct 09, 2026, 05:07 PM UTC
Interac has informed Central 1 that they are currently investigating an issue impacting the Interac e-Transfer service. As a result, Participants may experience service disruptions or delays when using Interac e-Transfer services. Incident Start Time: 9:45 a.m. PT (12:45 p.m. ET) Interac has advised that their technical teams are actively investigating the issue and working toward resolution. This issue originates within the Interac e-Transfer service. Central 1 is monitoring the situation closely and will continue to provide updates as they are received from Interac. Central 1 will post updates approximately every hour, or sooner if Interac provides notification of service restoration or additional information. Central 1 - [email protected] - [email protected] - 1.888.889.7878
- monitoring Oct 09, 2026, 05:13 PM UTC
Central 1 has observed that Interac e-Transfer transaction activity appears to have recovered following a service disruption that affected the platform between approximately 9:21 a.m. PT and 9:45 a.m. PT (12:21 p.m. ET to 12:45 p.m. ET). At this time, Interac e-Transfer services appear to be processing normally; however, Central 1 is awaiting confirmation from Interac regarding service stability and formal incident resolution. Central 1 continues to monitor the situation closely and will provide further updates as information becomes available from Interac. Central 1 - [email protected] - [email protected] - 1.888.889.7878
- resolved Oct 09, 2026, 05:50 PM UTC
Interac has confirmed that the e-Transfer service disruption has been resolved and recovery activities are complete. During the recovery period, Central 1 observed a small number of transaction timeouts due to elevated service latency until approximately 10:28 a.m. PT. These issues have since recovered, and services are operating normally. We will continue to monitor the platform; however, this incident is now considered resolved.
- postmortem Oct 23, 2026, 03:34 AM UTC
Postmortem: INC229450 – Interac e-Transfer Service Outage On October 9, 2026, Interac experienced an e-Transfer service disruption between approximately 9:21 a.m. and 9:45 a.m. PT \(12:21 p.m. and 12:45 p.m. ET\). During this period, financial institutions using the Interac e-Transfer platform experienced transaction failures, service disruptions, and delays. Interac reported that approximately 147,920 transactions were affected across all financial institutions. Following the initial recovery, Central 1 continued to observe a small number of transaction timeouts due to elevated Interac service latency until approximately 10:28 a.m. PT \(1:28 p.m. ET\). These timeouts subsequently recovered, and services returned to normal. In its postmortem, Interac confirmed that the incident was caused by "an Oracle software defect impacting Dynamic Resource Mastering operations," which resulted in a prolonged database hang and disrupted transaction processing. In simpler terms, a defect within Interac's Oracle database environment temporarily prevented the e-Transfer platform from processing transactions normally. Interac restored service by restarting the affected services, restoring database connectivity, and redistributing processing across its database environment. Performance remained elevated during stabilization but returned to normal once processing workloads were rebalanced. Interac has since implemented Oracle's recommended fix across its production environments and updated its Severity 1 communication procedures. Interac continues to work with Oracle to obtain a detailed root cause analysis and review how critical software defects are communicated. Central 1 will continue to monitor Interac's remaining corrective actions through Interac Problem PRB0042951. Interac's Corrective Action Status Target/Completion Date \* Obtain a detailed root cause analysis from Oracle In progress October 2026 \* Implement Oracle's recommended fix in the production environment Completed October 15, 2026 \* Update and reinforce timely Severity 1 communication procedures Completed October 16, 2026 \* Review Oracle's notification process for critical software defects In progress To be determined
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