Hacker Claims SBI Data Breach Exposes 375,000 Records

Hacker Siriusim says it leaked KYC documents and addresses for 375,000 State Bank of India customers.

Oct 21, 2026

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Hacker Claims SBI Data Breach Exposes 375,000 Records

Hacker Siriusim says it leaked KYC documents and addresses for 375,000 State Bank of India customers.

In brief

Hacker Siriusim says it leaked KYC documents and addresses for 375,000 State Bank of India customers. A hacker claims to have leaked KYC records and addresses for 375,000 State Bank of India customers, but the bank has not confirmed the breach. Originally reported by Startup Fortune.

Hacker Claims SBI Data Leak

A threat actor known as Siriusim says it has leaked KYC documents, loan files and addresses tied to 375,000 State Bank of India customer records.

“A threat actor known as Siriusim says it has leaked KYC documents, loan files and addresses tied to 377,000 State Bank of India customer records.”

Breach Forum Post

A post on BreachForums dated October 16 claimed access to 375,000 rows of customer data and 2,722 PDF documents belonging to State Bank of India.

“A post on BreachForums dated October 16 claimed access to 375,000 rows of customer data and 2,722 PDF documents belonging to State Bank of India.”

SBI Has Not Confirmed Breach

SBI Has Not Confirmed Breach

State Bank of India has not issued a statement confirming or denying the claim as of this writing.

“State Bank of India has not issued a statement confirming or denying the claim as of this writing.”

Leaked Data Includes KYC Records

The leaked files allegedly include loan applications, account-opening forms, Know Your Customer records and residential addresses.

“The leaked files allegedly include loan applications, account-opening forms, Know Your Customer records and residential addresses.”

Data Check by Free Press Journal

The Free Press Journal found phone numbers listed in the records were active lines with matching WhatsApp profile photos.

“The Free Press Journal found phone numbers listed in the records were active lines with matching WhatsApp profile photos.”

SBI's Digital Scale

SBI serves over 500 million customers with 96 million active users on its Yono app handling 27 million logins daily.

“SBI serves over 500 million customers with 96 million active users on its Yono app handling 27 million logins daily.”

Pattern of Leaks

Bank of Baroda faced a similar leak in July where an employee's email was compromised, exposing customer names and Aadhaar numbers.

“Bank of Baroda faced a similar leak in July where an employee's email was compromised, exposing customer names and Aadhaar numbers.”

SBI's Past Breach

In 2019, an unprotected SBI server in Mumbai exposed financial data on millions of customers with no password required.

“In 2019, an unprotected SBI server in Mumbai exposed financial data on millions of customers with no password required.”

What Happens Next

Until SBI confirms or denies the breach, customers with verified phone numbers and faces are left waiting.

“Until SBI confirms or denies the breach, customers with verified phone numbers and faces are left waiting.”

The bottom line

A hacker claims to have leaked KYC records and addresses for 375,000 State Bank of India customers, but the bank has not confirmed the breach.

Read the original on Startup Fortune

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