So-called smart cities, with wireless sensors controlling everything from traffic lights to water management, may be vulnerable to cyberattacks, according to a computer security expert.

Last year, Cesar Cerrudo, an Argentine security researcher and chief technology officer at IOActive Labs, demonstrated how 200,000 traffic control sensors installed in major hubs like Washington; New York; New Jersey; San Francisco; Seattle; Lyon, France; and Melbourne, Australia, were vulnerable to attack. Mr. Cerrudo showed how information coming from these sensors could be intercepted from 1,500 feet away — or even by drone — because one company had failed to encrypt its traffic.

Source: bits.blogs.nytimes.com

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