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SBI Customer Data Breach: 375,000 Records Allegedly Hacked

SBI Customer Data Breach: 375,000 Records Allegedly Hacked

First seen 19 Oct 2026, 09:18 UTC • •
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ThreatCluster AI
ThreatCluster •October 19, 2026 at 09:48 UTC
  • •375,000 customer records allegedly hacked from SBI and subsidiaries.
  • •Data includes sensitive information such as loan applications and KYC records.
  • •The source of the breach and the authenticity of the data remain unverified.

A threat actor named 'Siriusim' has claimed to have hacked 375,000 customer records and 2,722 PDF documents linked to the State Bank of India (SBI) and its subsidiaries. The data, which includes loan applications, KYC records, and personal information, was allegedly posted on BreachForums, a known cybercrime forum. The claim was highlighted by cybersecurity account CyberPulse56 on October 16, 2026. An investigation by The Free Press Journal confirmed the validity of some phone numbers in the samples, suggesting that at least some of the data may correspond to real individuals. However, the authenticity of the entire dataset and the method of acquisition remain unverified. SBI has not responded to inquiries regarding the breach. The breach's source is unclear, and it is uncertain whether the data originated from SBI, its subsidiaries, or third-party service providers.

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Timeline

2026-10-16
Data breach claim posted on BreachForums
Threat actor 'Siriusim' claimed to have hacked SBI customer data and shared samples on BreachForums.
Freepressjournal.In
2026-10-17
Investigation confirms validity of sample data
The Free Press Journal found that some phone numbers in the leaked records matched real individuals, indicating potential authenticity.
Freepressjournal.In
2026-10-19
SBI contacted for comment
The Free Press Journal reached out to SBI for a response to the alleged breach, but the bank had not replied by press time.
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Common questions

What types of data were compromised?
The breach allegedly includes loan applications, KYC records, and personal information such as names and contact details.
Is the data breach confirmed by SBI?
No, SBI has not confirmed the breach or responded to inquiries regarding the incident.
What should affected customers do?
Affected customers should monitor their accounts for suspicious activity and consider changing passwords and enabling two-factor authentication.