Skip to content

Oneonta City School District ransomware incident

Public report preview

Oneonta City School District logo
Incident date

Oneonta City School District in New York announced student closures Oct. 23 and 26, 2026, after discovering a reported ransomware attack Oct. 22. Its technology team took steps to limit further unauthorized access and potential damage. Students were expected back Oct. 27; affected systems, data exposure and full recovery remained unresolved.

Recent incident intelligence

Paid member report preview

Unlock the complete incident report

New reports are available immediately to Sustainers, after 2 weeks to Supporters, and to everyone once they are more than 1 month old.

Sustainers help fund the research and verification behind the Cyber Incident Registry while receiving immediate access to new reports.

See something that needs correction?

Signed-in members can report an error, update, or missing source.