BA's 'global IT system failure' is due to 'power supply issue'

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British Airways CEO Alex Cruz has said the root cause of today's London flight-grounding IT systems ambi-cockup is "a power supply issue" and that the airline has "no evidence of any cyberattack".

The airline has cancelled all flights from London's Heathrow and Gatwick amid what BA has confirmed to The Register is a "global IT system failure".

BA has a very large IT infrastructure; it has over 500 data cabinets spread across six halls in two different sites near its Heathrow Waterside HQ. BA has not specified where the power issues occurred and we have asked them about this. The airline's IT teams are working "tirelessly" to fix the problems, said Cruz.