This is how much the WannaCry ransomware attack cost the NHS

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The WannaCry ransomware cyber attack cost the National Health Service almost £100m and led to the cancellation of 19,000 appointments, the Department of Health has revealed.

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The NHS wasn’t specifically targeted by the global ransomware attack, but a significant number of hospitals and GP surgeries fell victim to the outbreak which took advantage of a leaked NSA hacking tool to self spread itself across vulnerable Windows systems.

A patch to protect against the EternalBlue vulnerability was released prior to the WannaCry outbreak, but despite warnings, a number of NHS Trusts hadn’t applied the update.

Because of this, one third of NHS hospital trusts and around eight percent of GP practices found their IT systems disrupted


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