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Square and Cash App experienced a system-wide outage on February 26 caused by a faulty security certificate bundle deployment.
•A routine certificate bundle update at 19:40 UTC broke communication between payment systems and databases, with errors detected by 20:00 UTC
•Payment systems were impacted by 20:20 UTC; the problematic certificate was rolled back at 20:42 UTC, about an hour after deployment
•Offline payment mode was automatically activated at 20:53 UTC to stabilize card-present transactions during recovery
•Core functionality was restored by 21:03 UTC, with full resolution at 22:13 UTC; reporting services remained impacted for roughly an additional hour
•Planned improvements include eliminating manual certificate update processes, auditing all deployment surfaces, and improving offline payment reliability during incidents
This summary was automatically generated by AI based on the original article and may not be fully accurate.
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