Kingston Health Sciences Centre (KHSC) has confirmed a cyberattack on its hospital systems, which affected both internal and external communications.
The attack, which occurred Wednesday, had a temporary impact on internet and email access, according to KHSC.
In a statement, officials say IT teams worked quickly to resolve issues caused by the cyberattack.
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Patient care continued as usual during the security breach, KHSC said.
All systems were back to normal this morning.