Both the US and Australia are restricting the activities of Chinese telco Huawei.
Roman Pilipey / AAP
It's not clear what we gain by blocking Huawei's involvement in Australia's 5G network.
astudio / Shutterstock.com
Countries may be forced to choose whether they side with the US or China when it comes to Huawei.
Sacked: former UK defence secretary Gavin Williamson was dismissed following the alleged leak of sensitive government information.
Politicians have been leaking secrets to journalists as long as newspapers have existed. But it's getting more difficult thanks to surveillance technology.
Sandra Oh and Jodie Comer as an MI6 agent and a psychopathic assassin.
Phoebe Waller-Bridge's funny, sassy, violent script doesn't make a drama out of the two strong female leads, it normalises them.
Comrades and friends: Michael Foot with his election agent Ron Lemin.
JLemin22 via Wikimedia Commons
Was the former Labour leader a paid-up Soviet spy? It's time the security services told us once and for all.
Witness K and his lawyer are accused of conspiring to reveal that Australia’s former foreign minister ordered an espionage operation against East Timor’s government.
The prosecution wants a closed trial, while the defence wants to keep secret only what's necessary to protect Australia’s national security.
What constitutes cyberwar?
The difference between probing and mapping and actually attacking depends on the intent of the people doing it, which is hard to figure out and may change. The dangers, however, remain worrying.
Landbridge has employed former trade minister Andrew Robb.
It is likely that the parliamentary intelligence and security committee will want more clarification on how things would operate in the grey area.
Michelle Grattan speaks with Deep Saini about the week in Australian politics.
Attorney-general Christian Porter explicitly cast an eye to coming byelections when welcoming the release of the report.
Where possible, Opposition leader Bill Shorten tries to stick like glue to the government on national security issues, for reasons of politics as well as substance.
Moneypenny, as played by Naomie Harris, has been told that “fieldwork isn’t for everyone”.
With its first ever recruitment advert, MI6 is reaching out to women and minority groups. But like their fictional counterparts, will they still end up doing desk work?
Politics Podcast: John Blaxland on new foreign interference laws.
John Blaxland has some real concerns about the unintended consequences of the proposed foreign interference legislation on academic debate.
Increasingly, the language of ‘national security’ is invoked to protect a government’s broader interests.
New laws aiming to crack down on foreign interference in Australian politics suggest the concept of 'national security' is continually expanding.
South Africa’s intelligence services continue to have more in common with their apartheid-era counterparts 23 years into democracy.
South Africa's intelligence services operate secretly and with minimal oversight. So citizens will probably never know exactly what they are up to.
Otto John, middle, in Berlin in 1954.
German Federal archives/Wikimedia
The 1954 defection of West Germany's first domestic spy chief and ardent anti-Nazi rocked the world – and then he returned to Bonn.
In the years leading up to World War II, Ivan Maisky and Winston Churchill developed a close friendship.
Courtesy of the Voskressenski family
The Soviet ambassador to London showed that charm and contacts can trump espionage when it comes to gathering information.
Former trade minister Andrew Robb walked from parliament into a high-paying post with a Chinese company.
This week’s ABC Four Corners/Fairfax expose of Chinese activities in Australia is alarming not just for its revelations about a multi-fronted pattern of influence-seeking but also for what it says about…
A professor who once held top secret clearance explains how levels of classification work and where handling sensitive information gets tricky.
Is someone watching while you work?
Yes, Big Brother is almost definitely watching. Here, five tips for researchers on keeping you and your sources safe.
Chief John Big Tree, Dark Cloud, Jack Cosgrave, Adda Gleason and Robert Goldstein in The Spirit of ‘76 (1917).
During the war, fear of being undermined by the enemy sparked restrictions on freedom of speech. As a result, thousands of Americans were prosecuted.