British food firms were affected by a major cyber attack that targeted freezers in supermarkets across Europe, a top security chief has confirmed.
At least seven countries have been targeted by the suspected cyber-terrorists, who raised temperatures in chillers to as high as 55C (131F).
Dr Richard Horne, head of the National Cyber Security Centre (NCSC) – which is part of GCHQ – claimed ‘vulnerable technology’ in the UK had been ‘exploited’ during the hack.
Security sources have told the Daily Mail that only a small number of companies in the UK had been affected.
Dr Horne said: ‘We don’t know the full impact, but
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