TechnologyYour home's online gadgets could be hacked by ultrasound Devices can now communicate with each other via ultrasound, as the Internet of Things reaches the next level – but experts warn of security risks News
TechnologyData protection is complex and costly, finds Obfuscation We worry but do little to safeguard our privacy. So what does it take to protect our data? This new book has an unsettling answer: cold, hard cash CultureLab