A cyberattack by Russian-speaking ransomware group Conti affecting more than 2,000 patient-facing IT systems prompted a shutdown of all IT systems in Ireland’s healthcare system, reports the Associated Press

Ireland’s healthcare system struggled Tuesday to restore computers and treat patients, four days after it shut down its entire information technology system in response to a ransomware attack.

Thousands of diagnostic appointments, cancer treatment clinics and surgeries have been canceled or delayed since Friday’s cyberattack. Authorities said hundreds of people were assigned to get crippled systems back online, but it could be weeks before the public health service will return to normal.

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