Leak exposes personal info of 39,000 Mirae Asset Securities customers, employees

The personal information of some 39,000 customers and employees has been leaked from Mirae Asset Securities Co., the securities firm said Saturday. Mirae Asset Securities, the country's leading brokerage house, said the account numbers of some 3,800 customers and the personal information of over 35,000 current and former employees, as well as contractors, were leaked. The Korean brokerage said unauthorized external access occurred Wednesday and Thursday, targeting its mobile web phone authentication login service and internal system, respectively. The leaked non-customer, corporate data included names, employee ID numbers, email addresses, mobile phone numbers and passwords. Mirae Asset said it immediately blocked the affected access routes after detecting suspicious activity from external IP addresses and activated its emergency response system. The company also said it reported the incident to the Financial Services Commission, the Financial Supervisory Service and the Personal Information Protection Commission. The data breach came days after its sister companies, including Mirae Asset