[7] At 2am on 29 November 1980, the day of the Queensland State election, a nitropril and fuel oil bomb was detonated with gelignite at the Iwasaki resort construction site north of Yeppoon.
[8] Premier Joh Bjelke-Petersen and MP Ben Humphreys labelled the incident a terrorist attack,[10][8][11] and a caller to Rockhampton's The Morning Bulletin newspaper claimed responsibility on behalf of the "Queensland Republican Army".
[21] Van Tongeren was found guilty of planning to bomb Chinese restaurants in Perth and of organising a destructive hate campaign in 2007, but was given a 2-year suspended sentence on account of ill health.
[49] Nick O'Brien, associate professor of counter terrorism at Charles Sturt University has said Islamic State's magazine claim that the Sydney siege gunman is a righteous jihadist should not be lightly dismissed.
[50] Dr David Martin Jones, Senior Lecturer at the School of Government, University of Tasmania has said not to underestimate the politically destabilising intent of Monis's lone-actor violence, as it is a considered tactic and a strategic goal of ISIL.
[57] On 7 April 2017, a pair of 15- and 16-year-old boys entered a service station in the city of Queanbeyan, New South Wales and stabbed the attendant, 29-year-old Zeeshan Akbar of Pakistani descent, who died at the scene.
[58] On 5 June 2017, 29-year-old Somali-born Islamist Yacqub Khayre shot dead receptionist Kai Hao in the foyer at a serviced apartment complex in the suburb of Brighton in Melbourne.
[62] On 9 November 2018, an attack took place in Melbourne, when Hassan Khalif Shire Ali[63] set fire to a Holden Rodeo utility on Bourke Street in the city's Central Business District.
[74] Faheem Khalid Lodhi is an Australian architect accused of an October 2003 plot to bomb the national electricity grid or Sydney defence sites in the cause of violent jihad.
Justice Anthony Whealy commented at sentencing that Lodhi had "the intent of advancing a political, religious or ideological cause, namely violent jihad" to "instill terror into members of the public so that they could never again feel free from the threat of bombing in Australia.
Aged 18 and born to parents of Albanian origin, he planned to drive a car into and kill, then behead, a law enforcement officer on Anzac Day in Melbourne.
[102] On 3 November 2017 Sulayman Khalid, also known as "Abu Bakr", was sentenced to up to 22 years and 6 months' jail in the NSW Supreme Court by Justice Geoffrey Bellew.
He was the leader among five of six conspirators who were sentenced in connection to a plot between 7 November and 18 December 2014 that targeted government sites, including the Lithgow Correctional Centre and an Australian Federal Police building in Sydney.
[105] In 2015, Jewish American internet troll Joshua Goldberg was arrested for planning a bombing in Kansas City while posing as an Australian ISIS supporter.
In the early hours of 18 September 2014, large teams of Australian Federal Police (AFP) and other security agencies conducted search operations in both Sydney and Brisbane.
Australian Prime Minister Tony Abbott has alluded to an alleged plot aimed at conducting a random act of terrorism as the reason for the police action.
[139] They were found with a machete, a hunting knife, a homemade Islamic State flag and "a video which depicted a man talking about carrying out an attack", according to NSW Police Deputy Commissioner (Specialist Operations) Catherine Burn.
[144][145] The would-be terrorists planned to attack Federation Square, Flinders Street railway station and St. Paul's Cathedral, three landmarks clustered in the centre of Melbourne.
[145] Abdullah Chaarani, Ahmed Mohamed and Hamza Abbas were found guilty 2 November 2018 in the High Court of Australia of plotting an attack in the name of the Islamic State.
He appeared the same day at Young Local Court charged with two foreign incursion offences, and a count of "failing to comply with an order to assist access to data".
[148] On 2 July 2019 the JCTT carried out raids in Western Sydney, including in Canada Bay, Chester Hill, Greenacre, Green Valley, Ingleburn and Toongabbie.
The two exceptions to this state of affairs would be the assassination attempt on the Duke of Edinburgh in 1868 by an Irish Nationalist named O'Farrell, who was later executed for his crime, and an attack in Broken Hill in 1915 by Afghan supporters of the Sultan of Turkey.
A further Protective Security Review by Justice Hope in 1978 following the Sydney Hilton bombing designated ASIO as the government agency responsible for producing national threat assessments in the field of terrorism and politically motivated violence.
Until then the view held from the 1960s had been that terrorist actions in Australia were considered as a problem imported from conflicts overseas and concerned with foreign targets on Australian soil.
New anti-terror laws were introduced in three stages in 2014: In the wake of the 2 October 2015 shooting death of a civilian police employee, the New South Wales government requested legal changes to allow control orders on people aged 14 and over.
[183] In the wake of the 2019 Christchurch mosque terrorist attacks at Al Noor Mosque and Linwood Islamic Centre in Christchurch, New Zealand, perpetrated by Australian Brenton Harrison Tarrant from Grafton, a self-described "Ethno-nationalist, "Eco-fascist", "Kebab removalist" "racist", New South Wales Police Commissioner Michael Fuller identified the likelihood of right wing lone wolf terrorist attacks in Australia as "an emerging risk" and indicated he will consider boosting resources into the anti-terrorism squad focused on right-wing extremists.
[193] The Attorney-General Senator George Brandis has expressed concern that those fighting jihad, then returning from the Middle East, represent, "the most significant risk to Australia's security that we have faced in many years.
[203][204] According to witnesses, some years later, some the officers committed some abuses during the raid; they had thrown a suspect into a fridge, causing a deep cut, made repeated racial slurs to an Aboriginal man and assaulted him.
On 6 September 2016 ISIL published a new online magazine in which they urged "lone wolves" to carry out attacks:Kill them on the streets of Brunswick, Broadmeadows, Bankstown, and Bondi.
"[207] In 2015 the New South Wales Police Force's Counter Terrorism and Special Tactics Command assessed that members of the anti-government sovereign citizen movement posed a potential terrorist threat.