Officials say the affected systems appear to have held only public information as the investigation continues and no restoration date has been announced.
Officials said the city isolated the threat, while Leon County cut a network connection as a precaution and warned of possible outages tied to shared applications.
District officials said an outside actor accessed some systems, prompting a shutdown that canceled classes, child care and after-school programs Monday.
A second county cyber incident this year disrupted critical systems and impaired emergency and municipal services, prompting Gov. Tim Walz to authorize Minnesota National Guard support.
Gritman says outpatient disruptions began earlier in the week, while the hospital and emergency department remained open and no patient data was compromised.
The district said it is responding to unauthorized activity on its network, but officials have not yet detailed what systems or services were disrupted.
