Breachesby GlyphCity of Columbus
Disclosed Jul 18, 2024500,000 affectedUnverified
Rhysida ransomware attack on Columbus, Ohio exposes 500,000 residents
The City of Columbus, Ohio suffered a ransomware attack on July 18, 2024 later claimed by Rhysida, which said it stole 6.5 TB of data. In a filing with Maine's attorney general the city said about 500,000 people had data including Social Security numbers and bank details stolen.
What is known
| People affected | 500,000 (as reported by the organization) |
|---|---|
| Disclosed | Jul 18, 2024 |
| Discovered | Jul 18, 2024 |
| Attack | Ransomware |
| Data exposed | NamesDates of birthAddressesGovernment IDsSocial Security numbersFinancial |
| Sector | Government · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
Notices filed
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.