India, Oct. 21 -- State Bank of India (SBIN.NS), India's largest public-sector bank, Wednesday reported a suspected customer data exposure involving 3,897 records containing personally identifiable information (PII), while stating that the incident has had no material impact on its core business operations, financial performance or business continuity.

The bank said it received alerts about the suspected data exposure on October 16, 2026, from its threat intelligence service provider, the Defence Cyber Agency and CERT-In. A preliminary analysis of approximately 375,000 records available on the dark web identified 3,897 customer records containing PII.

The exposed information reportedly included customers' names, mobile numbers, dates of b...