Researchers claim they have been able to intercept and analyse information sent between energy suppliers and smart meter devices, Out-Law.com reports. The researchers said they were able to reveal intimate details about a household's energy consumption--including when houses are occupied or the television show playing--because the data was unencrypted and sent in two-second intervals. "Unfortunately, smart meters are able to become surveillance devices that monitor the behaviour of the customers, leading to unprecedented invasions of consumer privacy," said the researchers, who presented their findings at a recent conference in Berlin.
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