United States
USA
Cyberattack on City of Columbus disrupts resident-facing services
The City of Columbus detected malicious activity on 18 July 2024 and severed internet connectivity to contain the intrusion, causing outages to some resident-facing IT services. Subsequent city updates said the attacker was RHYSIDA, that data was taken, and that many technology systems required staged restoration; critical functions such as 911, 311 and payroll remained operational.
76
Estimated severity
76 / 100
88
Source reliability
88 / 100
Approximate Date
18/07/2024
Targeted Company
CITY OF COLUMBUS
Targeted Company Supply Chain Impact
Distribution & Fulfillment
Procurement & Sourcing
Production & Manufacturing
Sales (Retail & Ecommerce)
Warehousing
Service Delivery
Unrecognized Impact
Supply Chain Relations
No information
Geographic Impact
Country Targeted Company
Other Affected Countries
No other affected countries reported
Target country
United States
Affected countries
United States
Impacted regions
Columbus · United States
Operational Impact
Duration
No information
Financial impact (USD M)
No information
Impact types
Service unavailabilityService degradationOperational disruption
Affected sectors
Government & Public Administration
Affected departments
Information Technology
Attack Profile
Attack types
Unauthorized accessData exfiltration
Attributed threat actors
RHYSIDA
Sources
Incident Sources
columbus.govhttps://www.columbus.gov/News-articles/City-of-Columbus-Addressing-Cybersecurity-Incidentcontent.govdelivery.comhttps://content.govdelivery.com/accounts/OHCCC/bulletins/3ba02f0columbus.govhttps://www.columbus.gov/News-articles/City-of-Columbus-Thwarted-Ransomware-Encryption-of-its-IT-Infrastructure