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Cyberwarfare may be of growing importance, but some foes must be tackled with more low-tech weapons.
This is the business end of how investigations are solved.
Christophe Petit Tesson/EPA
Paris police were able to use information found on a phone, but what details can be found that could tackle future attacks?
The response must be resolute, but it must be rational.
Less is often more – acting quickly in the wake of atrocities rarely leads to good laws.
The aircraft carrier Charles de Gaulle.
After the terrorist atrocity, Western powers pledged to strike back at Islamic State. They will need to do more than rattle sabres.
Addressing violent extremism requires more than police simply knowing about the signs of radicalisation.
We cannot ignore or underestimate the important role police can play in community-based efforts to tackle radicalisation and violent extremism.
Malcolm Turnbull is convening a summit this week to discuss Australia’s approach to countering 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.
The opening ceremony of an exercise organized by the US military in Ndjamena, Chad earlier this year to take on Boko Haram.
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.
Be very afraid – and vote for me.
With Canada's election campaign ramping up, Stephen Harper's government has pummelled the opposition with a barrage of fearmongering.
Combatting youth extremism is a priority for the UK government. But at what cost?
Paul Ellis/PA Wire
The Channel programme is meant to protect children, but it could be breaching their rights.
Cameron wants to counter radical narratives.
The British PM admitted that some Muslims don't feel they have a place in the UK.
Communications Minister Malcolm Turnbull said counter-terrorism measures should be right and effective, not just tough.
Malcolm Turnbull has warned against overestimating the Islamic State threat and amplifying its significance, in a speech contrasting sharply with Tony Abbott's declarations.
Open debate is essential to prevent radicalisation.
Rui Vieira / PA Wire
From July 1, schools have a legal duty to prevent pupils being radicalised.
Terrorism has moved online, and policing must follow.
ISIS by GongTo\Shutterstock.com
Tackling extremist and terrorist propaganda online is vital, but must be done with safeguards in mind.
There are no easy ‘tell-tale signs’ of radicalisation.
Students via Intellistudies/www.shutterstock.com
Extra attention from university staff could make it hard to reconcile being publicly Muslim with being an 'ordinary' student.
A little too strong?
Theresa May's latest extremism bill means citizens can be punished even before they commit a crime.
What possesses a Queensland teenager like Oliver Bridgeman to go to fight in Syria? Online propaganda is not an adequate explanation on its own.
Simplistic views of terrorist recruitment focus on online messages to Western youth. Foreign fighters are coming from many other countries, lured by many means, and we need more sophisticated responses.
Governments need to focus their counter-terrorism strategies on strengthening community relations and trust.
Despite significant budgetary constraints, the government announced in Tuesday's budget that a further A$450 million in counter-terrorism strategies. But something significant is lacking in its approach.
Watch what you say.
Counter-extremism proposals replace tolerance with incarceration.
The federal government wants to stop terrorists groups recruiting Australians online.
A crackdown on terrorist groups that use the internet and social media to recruit Australians is part of the federal government's new budget.