security
Security
Quantum-encrypted communication satellites could be a reality within five years
By Abigail Beall
Security
Crash Override malware is targeting power grids, but how dangerous is it?
By Alexandra Simon-Lewis
Security
Judy malware may have infected 36 million Android devices. Here's how to protect yourself
By Matt Burgess
Security
WannaCry laid bare the NHS' outdated IT network – and it's still causing problems
By João Medeiros
Security
This heat map shows how WannaCry spread around the world like an epidemic
By Alexandra Simon-Lewis