Defence and National Security

Australian officials are increasingly worried about the Pacific's vulnerability to cyber attacks, with the government spending $26 million to set up "rapid assistance" teams made up of experts from the private sector and specialists from intelligence agencies like the Australian Signals Directorate.

An "unprecedented" surprise offensive launched by a coalition of ethnic-based armies and pro-democracy fighters in Myanmar's north has some observers convinced the country's ruling junta is likely to be defeated.

China's denial that it sent sonar pulses that left Australian naval divers with minor injuries has been labelled propaganda by the opposition. 

Just days before Xi Jinping and Anthony Albanese shook hands at the APEC summit, Australian divers were injured by Chinese sonar. It begs the question, is the on-stage diplomacy all for show?

A second Australian member of a foreigners military unit in Ukraine known as "The Chosen Company" has been killed while fighting against invading Russian forces in the country's east, sources have confirmed to the ABC.

Prime Minister Anthony Albanese will not say what he raised with Chinese leader Xi Jinping at their meeting last week, days after the Chinese navy used "dangerous" sonar pulses that harmed Australian defence personnel

Australian naval personnel have sustained minor injuries to their ears after being subjected to sonar pulses from a Chinese warship. Here's what you need to know about the technology.

Sonar pulses can leave divers confused and disoriented, according to Jennifer Parker from ANU's National Security College.

The Australian Space Agency reveals four potential names for the country's first Moon rover, as part of a competition that now heads to a public vote.

An Australian veteran is among several foreign soldiers killed by a Russian artillery strike during recent intense fighting in eastern Ukraine.

Several Australian navy divers have been injured after a confrontation with a Chinese warship off Japan's coast.

Australia is deploying 500 police and army officers to reinforce its position as the Pacific country's number one security partner.

The motive behind a donation businessman Di Sanh "Sunny" Duong made to the Royal Melbourne Hospital during the COVID pandemic is scrutinised as part of a foreign interference trial.

A commanding officer of an Australian warship is removed from his position while an inquiry begins into alleged "unacceptable behaviour" involving alcohol, which is prohibited when Navy personnel are at sea.

If North Korean dictator Kim Jong Un meets an untimely end, these experts say there's one clear successor.

The EU says a promise to supply 1 million rounds of ammunition to Ukraine in the first-half of 2024 may not be met.

The Israeli army says it is carrying out a "targeted" operation in the enclave's largest hospital, while people trapped in the hospital say they are preparing to bury patients who have died under Israeli encirclement.

Jordan's Deputy Prime Minister Ayman Safadi is urging the Israeli government to cease hostilities in Gaza.

The neonatal infants, alongside a number of kidney dialysis patients, are in heightened risk of death, the United Nations says. 

The Defence Department has conceded its process for selecting its $45 billion future frigates, closely overseen by Coalition ministers, was "poorly executed".

Palestinian officials and humanitarian aid groups working in Gaza say patients are unable to evacuate hospitals in northern Gaza after recent bombardments, while Israel denies firing on the largest hospital, Al-Shifa, saying people can evacuate safely. 

Over nine months, US senator Tommy Tuberville has blocked hundreds of military appointments, leaving key positions unfilled. A top general's heart attack could be the catalyst for a major intervention.

US Assistant Defence Secretary Dr Mara Karlin has been in Canberra to discuss the transfer of nuclear-powered submarines, among other AUKUS initiatives. She spoke about the future of the AUKUS partnership.

The South Australian government is set to take ownership of Keswick Army barracks in Adelaide's inner south after a land swap deal was finalised with the Commonwealth.

Prime Minister Anthony Albanese has announced a new pact with the low-lying island country of Tuvalu, allowing residents facing displacement from climate change the ability to resettle in Australia.