- Trump’s justifications for the latest travel ban aren’t supported by the data on immigration and terrorismby Charles Kurzman, Professor of Sociology, University of North Carolina at Chapel Hill on June 5, 2025 at 8:17 pm
Foreign terrorism accounts for a miniscule portion of violence in the United States.
- Friday essay: let’s rethink Australia’s national security – and focus on fairness and climate action, not blind fealty to the USby Emma Shortis, Adjunct Senior Fellow, School of Global, Urban and Social Studies, RMIT University on June 5, 2025 at 8:14 pm
We do not have to weather whatever Trump’s America throws at us, hoping in vain for rare scraps of benevolence. There is another way, writes Emma Shortis.
- Golden Dome: An aerospace engineer explains the proposed US-wide missile defense systemby Iain Boyd, Director of the Center for National Security Initiatives and Professor of Aerospace Engineering Sciences, University of Colorado Boulder on May 22, 2025 at 11:11 pm
President Trump has set aggressive goals for Golden Dome, but many parts of the system already exist.
- National security advisers manage decision-making as advocates or honest brokersby Gregory F. Treverton, Professor of Practice in International Relations, USC Dornsife College of Letters, Arts and Sciences on May 5, 2025 at 12:42 pm
In foreign affairs, the national security adviser plays a coordinating role, setting the flow of recommendations to the National Security Council and the president.
- After its landslide win, Labor should have courage and confidence on security – and our alliance with the USby Joanne Wallis, Professor of International Security, University of Adelaide on May 5, 2025 at 3:47 am
It might be tempting for Labor to continue a ‘small target’ when it comes to Donald Trump. But the new government needs the courage to ask difficult questions.
- Without women, Australia’s defence force will struggle to recruit enough peopleby Sarah Percy, Professor of International Relations, The University of Queensland on April 7, 2025 at 6:05 am
We need women in the military, including in combat roles. Without them, recruitment targets will fail. It’s not diversity, equality and inclusion: it’s reality.
- Defence is shaping up to be a key election issue, whether politicians like it or notby Peter J. Dean, Director, Foreign Policy and Defence, United States Studies Centre, University of Sydney on April 1, 2025 at 7:04 pm
While politicians would rather talk about the cost of living, global events are forcing them to discuss an issue that rarely wins them votes.
- How is classified information typically shared and can officials declassify secrets whenever they want? A national security expert explainsby Dakota Rudesill, Associate Professor of Law, The Ohio State University on March 29, 2025 at 12:43 pm
Government officials with classified information clearance typically have a range of secure ways they can view or discuss classified information.
- Signal-gate: a national security blunder ‘almost without parallel’by Jonathan Este, Senior International Affairs Editor, Associate Editor on March 27, 2025 at 6:03 pm
Was this the biggest security blunder in American history?
- Ecological disruptions are a risk to national securityby Bradley J. Cardinale, Professor, Ecosystem Science and Management, Penn State on March 27, 2025 at 12:39 pm
Overfishing, disease and environmental crimes cause social and political instability, economic strife and strained international relations.
- Australia may no longer be ‘deputy sheriff’, but its reliance on the US has only grown deeper since 2000by David Andrews, Senior Manager, Policy & Engagement, Australian National University on March 26, 2025 at 11:42 pm
The US has been a constant in Australia’s foreign policy since the year 2000. The Trump administration, though, is raising concerns of over-reliance on our top ally.
- Why is the US group chat on Houthi attack plans so concerning? A military operations expert explainsby Jennifer Parker, Adjunct Fellow, Naval Studies at UNSW Canberra, and Expert Associate, National Security College, Australian National University on March 25, 2025 at 5:46 am
Top US officials discussed plans to strike Houthi rebels on an unclassified platform with a journalist. Here are 3 questions answered by a former ADF operations specialist.
- Why Canada must treat its food system as a matter of national defenceby Karen Foster, Associate Professor, Sociology and Social Anthropology and Canada Research Chair in Sustainable Rural Futures for Atlantic Canada, Dalhousie University on March 18, 2025 at 4:58 pm
Faced with both a trade war and annexation threats, Canada must confront whether its domestic food systems can feed its population in a crisis.
- The US military has cared about climate change since the dawn of the Cold War – for good reasonby Paul Bierman, Fellow of the Gund Institute for Environment, Professor of Natural Resources and Environmental Science, University of Vermont on March 17, 2025 at 12:59 pm
During the Cold War, the US poured support into Arctic military outposts and climate research amid fears of a Russian invasion. Climate change is still on the military’s radar as a threat multiplier.
- The EU will spend billions more on defence. It’s a powerful statement – but won’t do much for Ukraineby Jessica Genauer, Senior Lecturer in International Relations, Flinders University on March 7, 2025 at 5:45 am
A new agreement will see an unprecedented increase in defence spending on the continent, but the goal is a longer-term one, not one aimed at winning the war in Ukraine.
- The ASIO threat assessment is a dark outlook for Australia’s security. Are our laws up to the task?by Sarah Kendall, Adjunct Research Fellow, The University of Queensland on February 20, 2025 at 2:56 am
The chief of the intelligence agency is warning of deeper, wider security threats over the next five years, from both friends and foes. Is the law ready to respond?
- Why Americans need well-informed national security decisions – not politicized intelligence analysisby Mark S. Chandler, Professor of Practice and Director, Government Relations – Intelligence and Security Studies Department, Coastal Carolina University on February 7, 2025 at 1:19 pm
During the first Trump administration, intelligence workers at many levels made political judgments about the information they assembled.
- Is DOGE a cybersecurity threat? A security expert explains the dangers of violating protocols and regulations that protect government computer systemsby Richard Forno, Teaching Professor of Computer Science and Electrical Engineering, and Assistant Director, UMBC Cybersecurity Institute, University of Maryland, Baltimore County on February 6, 2025 at 11:54 pm
News reports paint a frightening picture of DOGE staff trampling time-tested – and in many cases legally required – management and security practices.
- How the CIA director helps the US navigate a world of spies, threats and geopolitical turbulenceby Matthew Clary, Senior Lecturer in Political Science, Auburn University on January 14, 2025 at 6:44 pm
The director of the CIA is responsible for overseeing the agency’s clandestine operations and advising the president on national security matters.
- What is Salt Typhoon? A security expert explains the Chinese hackers and their attack on US telecommunications networksby Richard Forno, Principal Lecturer, CSEE & Assistant Director, UMBC Cybersecurity Institute, University of Maryland, Baltimore County on December 6, 2024 at 1:43 pm
Chinese hackers are alleged to have broken into US phone networks, giving Chinese intelligence services a window onto specific Americans’ phone and messaging activity.
- Rates of youth radicalisation are climbing in Australia and abroad. Here’s what to look out forby Greg Barton, Chair in Global Islamic Politics, Alfred Deakin Institute for Citizenship and Globalisation, Deakin University on December 6, 2024 at 5:04 am
A new report from the Five Eyes nations details cases of young radicalisation across the western world. It emphasises the role parents can play in stopping it in its tracks.
- The government agrees Australia’s secrecy laws need to change. Now comes the hard part – taking actionby Peter Greste, Professor of Journalism and Communications, Macquarie University on November 29, 2024 at 4:28 am
The government has a record of promising improvements in transparency, but falling short in terms of passing legislation.
- Trump’s criminal conviction won’t stop him from getting security clearance as presidentby Dakota Rudesill, Associate Professor of Law; Senior Faculty Fellow, Mershon Center for International Security Studies, The Ohio State University on November 18, 2024 at 8:09 pm
Under normal circumstances, Trump’s criminal record and other aspects of his life, including financial history, would disqualify him from getting access to classified information.
- Climate emergencies threaten our collective security, but governments are flying blind into the stormby James Dyke, Associate Professor in Earth System Science, University of Exeter on October 11, 2024 at 4:20 pm
Climate change should be at the heart of national security plans, say experts.
- Keir Starmer’s national security adviser controversy explainedby Christopher Featherstone, Associate Lecturer, Department of Politics, University of York on August 28, 2024 at 4:19 pm
Gwyn Jenkins will not be the new prime minister’s adviser but that’s not unexpected under a change of government.
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