
2026.10.13. The Fair Economy — Saemaul Geumgo confirmed that personal information of over 400 customers was leaked due to a hacking attack and reported it to financial authorities.
The Korean Federation of Community Credit Cooperatives announced the breach on the 13th.
The leaked information includes customer numbers, names, encrypted resident registration numbers, account numbers, dates of birth, mobile, home and company phone numbers, home and company addresses, email addresses, and account balances, with the specific items varying by individual.
The Korean Federation of Community Credit Cooperatives succeeded in blocking abnormal access from overseas IPs at the end of last month, achieving a first-layer defense, but subsequently suffered a second attack via dozens of new IPs, leading to the data leak.
The hacking attack occurred on the 10th, the damage was confirmed late afternoon on the 12th, and it was reported on the 13th.
Lim Jin-u, representative director of credit and insurance at the Korean Federation of Community Credit Cooperatives, issued an apology statement, saying, "We will thoroughly review our personal information protection system and management procedures, strengthen our security system, and do our best to prevent recurrence."
The Korean Federation of Community Credit Cooperatives notified each affected customer by text message, enabled verification of the breach on its website, and pledged full compensation in the event of damage.
No connection has been identified between this incident and recent hacking cases in the financial sector involving the use of AI agents.
The Korean Federation of Community Credit Cooperatives reported the breach to the Korea Internet & Security Agency (KISA), and financial authorities are set to launch an investigation. The Federation is receiving damage reports and inquiries at its credit support center.

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