The Secretary for Security is the member of the Government of Hong Kong in charge of the Security Bureau, which is responsible for public safety, security, and immigration matters.

The Executive Council of Hong Kong (ExCo) is the cabinet of the Government of Hong Kong, acting as a formal body of advisers to the Chief Executive of Hong Kong that serves as a core policy-making organ assisting the Chief Executive. It is analogous to other Executive Councils in the Commonwealth such as the Federal Executive Council of Australia, the Executive Council of New Zealand, and the Privy Council of the United Kingdom.