State Security. Reported targets included Chinese students with anti-Communist sentiments and Falun Gong practitioners. Nicola Roxon, the Attorney-General of Australia, blocked the Shenzhen-based corporation Huawei from seeking a supply contract for the National Broadband Network, on the advice of the Australian Security Intelligence Organisation (ASIO). The Australian government feared Huawei would provide backdoor access for Chinese cyber espionage. The Chinese government is suspected of orchestrating an attack on the email network used by the Parliament of Australia, allowing unauthorized access to thousands of emails and compromising the computers of several senior Australian politicians including Prime Minister Julia Gillard, Foreign Minister Kevin Rudd, and Minister of Defense Stephen Smith. Sheri Yan and a former Office of National Assessments (ONA) official, Roger Uren, were investigated by ASIO on suspicion of spying for China. Uren, former Assistant Secretary responsible for the Asia section of ONA, was found to have removed documents pertaining to Chinese intelligence operations in Australia, and kept them in his apartment. Yan was suspected of undertaking influence operations on behalf of the Chinese Communist Party, and introducing Colonel Liu Chaoying, a military intelligence officer, to Australian contacts. Hackers either working for or on behalf of the government of China are suspected as being responsible for a cyber-espionage attack against an Australian defense company. Designated APT Alf by the Australian Signals Directorate, the hackers stole approximately 30 gigabytes of data on projects including the F-35 Joint Strike Fighter, the P-8 Poseidon, the C-130 Hercules and the Joint Direct Attack Munition. APT Alf used a remote access tool dubbed "China Chopper". In 2017, Chinese hackers infiltrated the computers of Australian National University, potentially compromising national security research conducted at the university. In 2015, Chinese hackers infiltrated the Bureau of Meteorology. In February 2019, the Sydney Morning Herald reported that Chinese businessman and realestate developer Huang Xiangmo had been denied permanent residency by the Department of Home Affairs reportedly due to character and national security concerns. Huang was the chairman of the Australian Council for the Promotion of the Peaceful Reunification of China (ACPPRC), the China Council for the Promotion of Peaceful National Reunification (CCPPNR) and the Oceanic Alliance of the Promotion of Peaceful Reunification of China; all three either umbrella organisations of the United Front Work Department or having close ties with the UFWD itself. Prior to his forced departure, Huang had been active in Australian political circles, donating some $2.7 million