The Visa network has returned to normal this evening after being down for much of the day. Visa claims that a sudden hardware failure caused its payments systems to go down this afternoon, causing disruption...
BBC strategist Noriko Matsuoka reveals how the national broadcaster is approaching AI and technology architecture
A look at AI and machine learning in the UK today
The internet has become the biggest source of subversion - of all kinds - in history. How should we respond, asks Peter Cochrane
Biggest-ever acquisition for BlackBerry reflects shift towards security software and services