Mumbai, Oct. 21 -- The State Bank of India (SBI) is investigating the exposure of thousands of customer records on the dark web, with cybersecurity experts warning that the leak could leave affected customers vulnerable to targeted fraud and social-engineering attacks even if the bank's core systems and account balances remain secure.

In a regulatory filing to the stock exchanges on Wednesday, SBI said it had received alerts on 16 October from its threat intelligence service provider, the the Defence Cyber Agency, and the Indian Computer Emergency Response Team (CERT-In) about the suspected exposure of customer data on the dark web. A preliminary analysis of around 375,000 records found on the dark web identified 3,897 records containing...