AU Small Finance Bank Confirms Data Leak Affecting 28.5 Lakh Vehicle Loan Customers

AU Small Finance Bank has reported a possible data leakage incident involving some of its vehicle loan customers. The bank said that, based on its preliminary findings, some customer information stored on a third-party software platform may have been exposed.

In a regulatory filing, AU Small Finance Bank said it has started a detailed internal and external forensic investigation to find out the nature and extent of the possible data leakage. The investigation is being carried out with the help of cybersecurity firms.

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What Bank said?

we wish to clarify that the Bank became aware (on October 29, 2026) about a potential data leakage incident involving a third-party Software-as-a-Service (SaaS) platform. This platform, which is hosted and managed by a reputed global third-party vendor, is used for onboarding Bank’s vehicle loan customers and contains customers’ information obtained at the time of loan onboarding.

Based on the preliminary findings so far, the incident may have resulted in data leakage of some of the Bank’s vehicle loan customers. The Bank is undertaking a detailed internal and external forensic investigation, with the help of leading cyber security firms, to ascertain the nature and extent of potential data leakage (there are ~28.5 lacs vehicle loan customers onboarded through this platform).

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The Bank’s other systems remain unaffected, and all services are operating normally. The incident does not have any impact on the Bank’s business operations, financial performance or business continuity. We hereby reaffirm to all stakeholders that customer protection continues to be our highest priority.

The matter has been reported to regulatory authorities including the Reserve Bank of India and CERT-In in accordance with applicable regulatory requirements.

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