Seoul:Mirae Asset Securities Co. reported on Saturday that it experienced cyberattacks leading to the exposure of sensitive information, affecting both customers and employees.

According to Yonhap News Agency, the breaches resulted in the leakage of account numbers for approximately 3,800 customers and personal information of more than 35,000 current and former employees, as well as contractors.

The cyberattacks, which occurred on Wednesday and Thursday, targeted the company's mobile web phone authentication login service and internal system. The compromised data included names, employee ID numbers, email addresses, mobile phone numbers, and passwords. Mirae Asset Securities responded by blocking the affected access routes and activating its emergency response system. The incident has been reported to the Financial Services Commission, the Financial Supervisory Service, and the Personal Information Protection Commission.