33(1)(a)

contains information or matter the disclosure of which under this Act could reasonably be expected to cause damage to the security, defence or international relations of the Commonwealth
— Section 33(1)(a) of the Archives Act 1983

1010

closed files

cite this as a reason you're not allowed to see them
60

years

is the average age of closed files that cite this reason, based on the date of their earliest content
108

series

contain closed files that cite this reason
26.178217821782177

years

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Here's some examples of closed files that cite this reason…

Series Control Symbol Title Contents dates
A452 1972/602 Inter-Departmental committee on internal security arrangements after self government - Papua New Guinea [3cms] 1972 - 1972
A6283 28 Leading Government and Political Circles [Reference Copy] 1952 - 23 Jun 1954
F423 S58 UK Communications System for Far East and South East Asia - NT Site for proposed Relay Station 1968 - 1970
A9377 7 [Minutes of Cypher Security Committee, 29 Dec 1943 - 20 Nov 1945] 1943 - 1945
A6122 1035 Communist Party of Australia - Tasmania, schools 1949 - 1956
A452 1965/1613 Reports on West Irian [part of title exempt] - 1965/66 [4cm] 1965 - 1965
A6122 892 Communist Party of Australia - Western Australia - Bassendean Branch 1949 - 1956
AWM54 244/2/6 [Demolitions - Schemes:] Demolition Plans: Brisbane Fortress Area, Belt "F" 1939 - 1945
AWM54 179/1/20 PART 3 [Chemical Warfare - General:] Allied Land Forces, South West Pacific Area: Technical Notes and Staff Notes - Chemical Warfare, Nov 1942 [Part 3 of 19] 1942 - 1942
A6122 873 Tasmania - Public meetings 1949 - 1956
A816 11/301/1063 ANZUS staff planners meeting, Pearl Harbour, March 1956 1956 - 1956
A1209 1957/5694 SEATO Council Meeting, Canberra 1957. Daily verbatim record 1957 - 1957
A1838 3103/11/90 PART 19 Japan - Relations with South Korea 1975 - 1976
A9108 ROLL 14/26 Reports from security liaison office, Hong Kong [0.5cm] 1951 - 1951
A6122 1260 Australian Institute of International Affairs, volume 2 1961 - 1961
A1838 152/2/1 PART 12 Cyprus - Political developments - General 1963 - 1966
A2031 91/1959 South East Asian Trade Organization Military Planning Office Plan 5B/59 - Plan for the introduction and maintenance of a South East Asian Trade Organization force to assist the Royal Laotian Government to counter Communist insurgency in Laos 1959 - 1959
A816 44/301/219 SEATO [South East Asia Treaty Organisation] Combined Training Exercise "AIR LINK" Bangkok 28 May - 1 June 1957 1957 - 1957
A2031 45/1956 Australia, New Zealand and United States Staff Planners Meeting, Pearl Harbour, March 1956 [Remainder of title exempt] 1956 - 1956
A6122 866 CPA [Communist Party of Australia] (Western Australia) - Claremont Branch 1949 - 1956