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BreachesOct 23, 2026

SBI Notifies Customers Impacted by the Recent Cyber Incident

SBI notifies 3,897 customers after personal data exposure discovered on dark web.

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Summary

State Bank of India has individually notified customers whose personal information was identified in a recent cyber incident, with approximately 3,897 customer records containing PII found on the dark web. The exposed data includes names, mobile numbers, dates of birth, email addresses, home addresses, gender, branch details, and loan inquiry information, though the bank confirmed account balances and funds remain secure. Investigators are still examining the authenticity and source of the exposure, with no confirmed entry point or malware identified at this time.

The lesson from this incident

Full lesson

State Bank of India suffered a data exposure event that resulted in nearly 4,000 customer records — including names, dates of birth, addresses, and loan inquiry details — appearing on the dark web. The fact that investigators have yet to confirm an entry point or identify malware suggests significant gaps in logging, monitoring, and forensic readiness. Exposure of PII at this scale carries serious regulatory and reputational consequences for a systemically important financial institution. This incident underscores that even when account funds are unaffected, the theft of personal data enables downstream fraud, phishing, and identity theft targeting customers.

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State Bank of India (vendor)CERT-In (vendor)Defense Cyber Agency (vendor)