KB Kookmin Bank has reported a data breach affecting the personal information of 119 customers due to hacking, following a similar incident at Shinhan Bank.
On October 2, KB Kookmin Bank announced that it had detected unauthorized external access on September 30, which may have led to the data leak. The bank immediately blocked the affected server and access routes.
The breach occurred in the mobile work support system used by employees for internet and mobile banking. The bank clarified that the leaked information is unrelated to customer financial transactions. The compromised data varies by customer and includes names, phone numbers, addresses, and encrypted resident registration numbers.
KB Kookmin Bank is individually notifying affected customers about the incident and providing guidance on preventing secondary damage. The bank has pledged to fully compensate any customers who suffer losses due to the breach.
The Financial Services Commission and the Financial Supervisory Service have been informed of the incident and are reportedly discussing response measures with KB Kookmin Bank.
The bank stated, "To prevent further damage and recurrence, we are implementing a comprehensive emergency response system and thoroughly reviewing all related processes from the ground up."
Meanwhile, the banking sector has seen a series of customer data breaches recently. Just the day before, Shinhan Bank confirmed that approximately 25,000 customer records were compromised due to a new type of hacking involving artificial intelligence (AI) agents.
* This article has been translated by AI.
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