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.
City says missing records, inaccessible systems and wiped devices found after an administrative transition prompted requests for state and federal help.
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.
The company said it isolated affected services after a cybersecurity event, disrupting alarm communications for dealers and monitored accounts nationwide.
