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
19

years

is the average age of decisions to closed files citing this reason

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

Series Control Symbol Title Contents dates
F1 1945/94 Lunatics 1940 - 1948
A12391 R35 ASIO - The Lexi Control Manual 1975 - 1975
AWM54 244/3/2 [Demolitions - Preparation:] Schedule of progress - major bridge demolitions 1939 - 1945
A1838 69/1/1/16/14 USSR Communist Inter Front Organisations 1969 - 1969
A816 25/301/566 Co-operation and exchange of information [modified title, original item title partially exempt] 1954 - 1955
A1838 100/6/1/1 Relations with foreign services [imposed title, original title wholly exempt] 1956 - 1975
A1209 1961/411 SEATO - Report of the Logistics Committee 1961 - 1961
AWM54 179/5/22 [Chemical Warfare - Trials:] Special reports by the technical staff of the Chemical Warfare Service Mobile Unit, Brooksville, Florida 1944 - 1945
A1838 3027/2/1 PART 21 Malaysia - Political - General 1965 - 1965
A1838 TS694/2/3 PART 5 Exchange of intelligence material with the United States of America policy 1962 - 1964
D1918 S2997 Director's memoranda re Home Office suspect index 1947 - 1947
A6122 904 CPA [Communist Party of Australia] - Western Australia - Cadres 1949 - 1956
A1209 1957/6044 ANZAM Intelligence Meeting, Singapore, November 1956 1956 - 1957
A6122 853 Communist Party of Australia - South Australia - Birkenhead 1949 - 1957
AWM54 179/5/8 PART 11 [Chemical Warfare - Trials:] Munitions Supply Laboratories. Abstract reports indexed in records of Chemical Defence Board [Part 11 of 23] 1944 - 1944
A1838 1495/3/2/2 PART 4 Antarctica - Australian interests - Legal position and administration - Australian Antarctic Territory 1962 - 1968
A1533 1956/1934 PART A Currency - Miscellaneous offenders 1962 - 1976
A12909 833 Submission No 833 :[title exempt] - Decision 1810 and 1848 09 Nov 1976 - 16 Nov 1976
A816 25/301/604 Intelligence in the Middle East 1956 - 1957
A1209 1958/6130 The economic and political consequences of India's financial problems 1958 - 1958