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And this is the reason why you don't centralize critical infrastructure and don't put yourself in vendor lock-ins.

Makes me wonder how many of those infected machines didn't have to be connected to the internet in the first place.



NHS isn't centralised. And not really locked in. NHS relies patch work of legacy software.

Each trust and hospital handle I.T their own way. Which is why some are affected and some are not.

So far it spread via file sharing and emails.

The main issue is they don't patch, and update their stuff!




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