GCA Professional
Attack Intelligence
GCA Professional was compromised in a ransomware attack attributed to THEGENTLEMEN in April 2026. The organization, operating in the Business Services sector in HK, was added to the group's data leak site as part of an extortion campaign.
THEGENTLEMEN operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.
gca-group.com zoominfo.com/c/gca-professional-services-group-ltd/346680381 GCA Professional Services Group is a leading financial services provider headquartered in Hong Kong, with over 25 years of experience serving blue-chip institutional, corporate, and individual clients globally. Its core services include valuation and advisory, corporate finance, mining and mineral consultancy, and corporate services.