Account Numbers of About 3,800 Clients Exposed Some 35,000 Records Including Employee Names Leaked No Financial Damage Confirmed So Far
Mirae Asset Securities (006800) suffered a breach of about 39,000 records, the latest in a string of hacking incidents across South Korea's financial sector. Four affiliates of Mirae Asset Group have now been hit: MIRAE ASSET Life Insurance, Mirae Asset Global Investments, Mirae Asset Energy Infrastructure Asset Management and Mirae Asset Securities. No financial damage has been confirmed so far, but the company said it is focusing on determining the exact circumstances and scope of the breach, given that client and employee information was exposed externally.
According to the financial investment industry on the 8th, Mirae Asset Securities was targeted by external attacks on its mobile web phone-authentication login service and its groupware on Nov. 4 and Nov. 5, a day apart. Intruders accessed company systems without legitimate authorization and viewed internal data, the company found.
The leaked information covers some 35,000 records, including account numbers of about 3,800 clients and the names and employee identification numbers of staff. Unique identifying information and sensitive data such as resident registration numbers, passport numbers, driver's license numbers and alien registration numbers were not exposed. Mirae Asset Securities is the third brokerage affected, after Daishin Securities (003540) and Hanyang Securities (001750). The brokerage urged clients to be alert to secondary damage such as phishing and smishing that exploits the leaked data, saying, "Please exercise particular caution with phone calls, text messages and emails impersonating Mirae Asset Securities."
Mirae Asset Securities said the incident did not involve malware infection or a system outage. Intruders gained unauthorized access to some systems from outside and viewed data, and the company's website and other key systems and financial services are operating normally, it said. No direct financial losses to clients have been confirmed to date.
In a notice issued under the names of Co-Chief Executive Officers Kim Mi-seob and Hur Sun-ho, Mirae Asset Securities said, "We once again deeply apologize for failing to fulfill our responsibility to protect customers' valuable personal and credit information." It added, "We are closely examining the cause of the incident and how the leak occurred, and are preparing measures to prevent a recurrence."
Original reporting by Yoon Ji-young for Seoul Economic Daily.
AI-translated from Korean. Quotes from foreign sources are based on Korean-language reports and may not reflect exact original wording.
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