They've gathered information on 963 Irish politicians and other influential people.
A Chinese firm has been collecting information on Irish politicians and other influential people since 2017.
The Sunday Times reports that the company's gathered information on 963 Irish people, including EU Ombudsman and Tullamore's Emily O'Reilly and Assistant Garda Commissioner John Twomey.
Data was also collected on Sinn Fein leader Mary Lou McDonald and Justice Minister Helen McEntee.
The paper says the Overseas Key Information Database provides data to China's intelligence services and private clients.
A former Labour Minister and Councillor Joe Costello wants answers as to why a Chinese database collected information on him: