City of Cleveland security incident history
Hacking, data breaches and other security incidents involving City of Cleveland, with related coverage.
Incidents: 1 · Most recent
Ransomware attack shuts Cleveland City Hall in the US
Impact: Public services paralyzed and City Hall closed
In June 2024, the City of Cleveland in the US was hit by a ransomware attack that paralyzed public services and shut City Hall. The city worked to restore its systems and conducted a joint investigation with the FBI. The closure stretched into a second week, and City Hall resumed public-facing services at noon on June 20.
Related reports: 13 · last report →