The
Security Legislation Amendment (Terrorism) Act 2002 was passed by the
Australian Parliament and inserted a range of terrorist organisation offences into the
Criminal Code Act 1995 (Cth). For example, the Act made it an offence to provide support to a terrorist organisation. The
paramilitary wing of
Hamas, the
Izz al-Din al-Qassam Brigades, was formerly listed as a terrorist organisation from 5 November 2003 until 2022. In July 2014, it was reported that the entirety of Hamas was being listed by the
Abbott government; however, it did not appear on the list, and Izz al-Din al-Qassam Brigades was re-listed in 2015, 2018 and 2021. Hamas was listed in March 2022, replacing Izz al-Din al-Qassam Brigades. Most of the listed organisations are
Islamic. In 2021, the Australian Government listed for the first time two
far-right neo-Nazi organisations,
Sonnenkrieg Division and
The Base, followed by the
National Socialist Order in 2022. In addition to The Base, the entirety of
Hezbollah was added on 24 November 2021. In 2025, the Australian Government announced that the
Islamic Revolutionary Guard Corps (IRGC) would be listed after it was revealed
Iran was responsible for at least two antisemitic attacks in Australia. On 27 November, the government listed the IRGC under a new category as a "
state sponsor of terrorism" with the
Criminal Code Amendment (State Sponsors of Terrorism) Act 2025. Restrictions on state sponsors of terrorism and the processes for listing are similar to those of terrorist organisations. ==Oversight and monitoring==