
Legacy Platform Bottlenecks: How the OCC’s New Data‑Volume Stress Test Threatens Your Certifications
When First‑State Bank, a mid‑size regional lender, tried to onboard its newly‑launched mobile‑pay product, examiners from the Office of the Comptroller of the Currency (OCC) halted the rollout. The OCC cited a Data‑Volume Stress Test finding in its July 2026 exam report: the bank’s legacy core‑banking platform could not ingest the projected 2.4 billion new transaction rows per month without breaking data lineage controls. The examiner warned that any mis‑alignment between product data and the bank’s critical‑asset certification could trigger enforcement under the OCC’s interim rule on data governance.
by CoComply Team
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