A couple of cyber security companies said there could be problems, but no specifics, whilst GCHQ’s Cyber Security section thinks otherwise…
A bit of research (looking at Company House accounts) show that each of the first two companies quoted in the first article have two employees…
The third quote, from a reasonably sized company (160 employees in the U.K.) says
Quote:
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Chris Oakley is vice president of technical services at the cybersecurity firm Nettitude. He says: 'Occasionally, smart meters have a glitch, resulting in customers receiving erroneous bills. These issues usually get sorted out quickly, but it demonstrates that these meters are vulnerable.'
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Not sure how a "glitch" shows a vulnerability?
https://www.thisismoney.co.uk/money/...-burglars.html
https://www.ncsc.gov.uk/information/...etering-system