A. Australian Security Intelligence Organisation (ASIO)
B. Australian Secret Intelligence Service  (ASIS)
C. Defence Intelligence Organisation (DIO)
D. Office of National Assessments (ONA)
E. All of the above

Submitted by: Rashid Mehmood

Australian Security Intelligence Organisation (ASIO):
The Australian Security Intelligence Organisation is Australia’s national security agency responsible for the protection of the country and its citizens from espionage, sabotage, acts of foreign interference, politically motivated violence, attacks on the Australian defence system, and terrorism.

Australian Secret Intelligence Service  (ASIS):
The Australian Secret Intelligence Service is Australia’s foreign intelligence agency. ASIS was formed in 1952, but its existence remained secret even within the Government until 1972.

Defence Intelligence Organisation (DIO):
The Defence Intelligence Organisation is an Australian government military intelligence agency responsible for strategic intelligence and technical intelligence assessments, advising defence and government

Office of National Assessments (ONA):
The Office of National Assessments (ONA) was an Australian statutory intelligence agency established by the Office of National Assessments Act 1977 as an independent statutory body directly accountable to the Prime Minister of Australia as a portfolio agency of the Department of the Prime Minister and Cabinet.