Irish ransomware attack to cost health service tens of millions of euros

National flag of Ireland flies above the President's residence in Dublin, August 25, 2018. REUTERS/Dylan Martinez - RC12C3B40540

DUBLIN (Reuters) - The Irish health service expects to spend tens of millions of euros rebuilding its IT systems from a cyber attack which is set to cause significant disruption to diagnostic services into next week.

Ireland's health service operator shut down all its IT systems on Friday to protect them from a significant ransomware attack the government said was carried out by an international cyber crime gang.