Voice authentication technology could be used to increase blockchain security.
Merrill College of Journalism/flickr
Providing security in the blockchain would convert into a degree of predictability in the technology. If this was shown to work in the long term, it would also create trust.
A young boy being treated at Baghbanan health centre.
A small community health project in north-west Pakistan is showing how UK aid can change lives and perhaps have an impact on national security.
Why is malware getting into your apps? For money, of course.
It's not safe out there for an app.
Unsurprisingly, the Jason Bourne films won’t tell you much about ASIO.
Bourne Supremacy screenshot/Universal
James Bond and Jason Bourne have little to tell us about modern spycraft.
It’s almost impossible to adequately protect soft targets like public gatherings.
'Crowd' via www.shutterstock.com
Because physical security can only do so much, communities have a role to play.
British Muslims adopt a variety of clothing styles, from traditional to contemporary Western.
Mohammed Tawsif Salam
... and that won't make anyone safer in the long run.
Many African countries are sitting on vast and under-utilised oceanic territories that have the potential to unlock enormous economic value, if properly governed.
Local and national authorities are curtailing civil liberties in the name of 'security'.
To defeat continuing terrorist attacks, defenders must adapt and learn lessons quickly.
Police on the scene in Manchester.
Low-tech threats have been the biggest concern of late, but the Manchester bombing reminds us of a host of security concerns.
An illustrated look inside.
The U.S. is considering expanding a ban it imposed in March on several Middle Eastern countries to all flights from Europe. A close look suggests the meager benefits just aren't worth the high costs.
Macron meets veterans on VE Day, the day after his own election victory.
Stephane de Sakutin/EPA
Reforming France's intelligence and policing practices will be a big political battle.
A U.S. Customs and Border Protection officer hands documents to a woman entering the U.S. from Mexico.
Brad Doherty/AP Photo
President Trump wants to renegotiate or eliminate NAFTA because of its impact on U.S. trade, but the accord is also a cornerstone of continental cooperation on security issues as well.
An alternate choice for unlocking a smartphone.
Lydia Kraus et al., 'On the Use of Emojis in Mobile Authentication,' 2017.
Useful for expressing moods, emotions and nuances in messages, emojis could have another use: as your next smartphone password.
Armed officers patrol in London in late March 2017.
Jonathan Brady/PA Wire
Ask when, not if, police in the UK 'shoot to kill' under revised policy.
Mapping a face is the starting point.
Computers are getting better at identifying people's faces, and while that can be helpful as well as worrisome. To properly understand the legal and privacy ramifications, we need to know how facial recognition technology works.
The prime minister has linked continued security cooperation with the EU to a successful trade deal. Was that wise?
Even when a response goes to plan, lessons can be learnt.
Armed police outside Westminster as the attack unfolded on March 22.
Stefan Rousseau/PA Wire
In recent years, anti-terrorism defences have become more subtle. That might be about to change.
An Afghan militia vehicle on the outskirts of Kunduz, in October 2016.
Bahsir Khan Safi/AFP
Under the Obama administration, the US army began to recruit, arm, and finance local militias to fight the Taliban. With Trump in the White House, what remains of this strategy?