Terrorist attacks that are locally sourced and financed are very hard to detect.
Scholars specializing in extremism are beginning to unravel how people -- including a higher number of Americans than one might expect -- become radicalized to embrace political violence.
Apple says it won't comply with a court order to unlock a terrorism suspect's iPhone for the FBI. Here's the technology at play.
Apple is pushing back against the FBI's order to decrypt the iPhone of San Bernardino gunman Syed Rizwan Farook for the sake of privacy and security.
The idea that the use of force should be a last resort is at the core of the world's security balance – and it's being trashed.
Malcolm Turnbull has called for the campaign against Islamic State to considerably improve its use of social media.
The government’s uncontested assessment of national interest and security often trumps the rule of domestic and international law, as well as Australia’s obligations under human rights treaties.
Despite all the media coverage, don't expect any clear decisions on national tax reform on Friday. But we should see more progress on other issues, including domestic violence and violent extremism.
Cyberwarfare may be of growing importance, but some foes must be tackled with more low-tech weapons.
Paris police were able to use information found on a phone, but what details can be found that could tackle future attacks?
Less is often more – acting quickly in the wake of atrocities rarely leads to good laws.
After the terrorist atrocity, Western powers pledged to strike back at Islamic State. They will need to do more than rattle sabres.
We cannot ignore or underestimate the important role police can play in community-based efforts to tackle radicalisation and violent extremism.
Counter-radicalisation is only one part of nearly 20 very distinct areas of policy to combat terrorism. It is probably not the most effective by a long shot.
Young British Muslims are embroiled in a conundrum of non-belonging.
Apart from numerous worldwide threats including from China, Iran, North Korea and Russia, the US is taking more notice of Africa due to the expansion of extremist organisations on the continent.
With Canada's election campaign ramping up, Stephen Harper's government has pummelled the opposition with a barrage of fearmongering.
The Channel programme is meant to protect children, but it could be breaching their rights.
The British PM admitted that some Muslims don't feel they have a place in the UK.
Malcolm Turnbull has warned against overestimating the Islamic State threat and amplifying its significance, in a speech contrasting sharply with Tony Abbott's declarations.