UOB KayHian

UOB KayHian, also known as United Overseas Bank Kay Hian, is a Malaysian online stock brokerage firm. The company provides services for buying and selling securities, facilitating equity trading for its clients through digital platforms. Its operations are centered in Malaysia, serving customers within that national market. The firm handles highly sensitive personal and financial information as part of its core brokerage activities, including identification documents and account details for its user base, which encompasses both individual investors and professional dealers or back-office personnel.

A significant and publicly documented event in the firm's recent history is a cyberattack that occurred on October 1, 2022. The incident was attributed to the threat actor DESORDEN GROUP, who claimed to have exfiltrated approximately 160,000 customer records. The compromised data contained full names, identification numbers, passport details, contact information, and data related to dealer or back office users. The attackers stated their operation focused exclusively on data theft without disrupting the firm's operational systems. Following the breach, the targeted entity did not engage with communications from the threat actor and did not provide substantive responses to external inquiries about its mitigation efforts. A security advisory issued by the firm around that period did not contain an explicit acknowledgment of the breach or confirm specific protective actions taken for affected customers. This incident represents a notable cybersecurity event involving the loss of substantial client data.