Why smart cities need to get wise to security – and fast

As cities become more connected, their systems – from traffic lights to utilities meters – are increasingly open to hackers, say experts The smart city is an alluring vision of the future, in which civic technology such as traffic lights, smart meters for utilities and public transport could all be connected and feed back invaluable data online.
Glasgow has spent £24m installing technology such as smart street lights that brighten for pedestrians and cyclists, and traffic-tracking sens