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KB Kookmin Bank Confirms Additional Hacking Victims

KB Kookmin Bank Confirms Additional Hacking Victims

First seen 26 Oct 2026, 11:11 UTC • •
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ThreatCluster AI
ThreatCluster •October 26, 2026 at 13:13 UTC
  • •Over 2,000 additional victims confirmed in KB Kookmin Bank hacking incident.
  • •The breach involved unauthorized access to customer data, including financial records.
  • •The bank is enhancing security measures and notifying affected customers.

KB Kookmin Bank has confirmed that over 2,000 additional victims have been identified following a recent hacking incident. The breach reportedly involved unauthorized access to customer data, affecting personal information and financial records. The bank is currently investigating the attack vector and has not disclosed specific details about the method used by the attackers. This incident adds to the growing list of cybersecurity breaches impacting financial institutions in South Korea. As of now, the bank is working on notifying affected customers and enhancing security measures. No CVEs or specific vulnerabilities have been mentioned in relation to this incident.

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Timeline

2026-10-26
KB Kookmin Bank confirms additional victims
The bank reported identifying over 2,000 additional victims due to a recent hacking incident affecting customer data.
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Common questions

How many victims were affected?
Over 2,000 additional victims have been confirmed in the hacking incident.
What type of data was compromised?
The breach reportedly involved unauthorized access to customer personal information and financial records.
What is KB Kookmin Bank doing in response?
The bank is investigating the incident and enhancing security measures while notifying affected customers.