United States
USA
Ransomware attack closes Cleveland City Hall and disrupts citizen-facing services
The City of Cleveland identified malicious activity on 8 June 2024 and shut down affected systems before confirming the incident as ransomware. City Hall and the Erieview municipal offices were closed to the public, internal software systems were unavailable and some citizen-facing services, including 311 functions, were interrupted. Public safety, airports and core utility services remained operational. City Hall reopened for selected public services on 20 June.
72
Estimated severity
72 / 100
88
Source reliability
88 / 100
Approximate Date
08/06/2024
Targeted Company
CITY OF CLEVELAND
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
Ohio · United States
Operational Impact
Duration
10 days
Financial impact (USD M)
No information
Impact types
Service unavailabilityService degradationOperational disruption
Affected sectors
Government & Public Administration
Affected departments
Information TechnologyCustomer Service
Attack Profile
Attack types
Ransomware
Attributed threat actors
No information
Sources
Incident Sources
news5cleveland.comhttps://www.news5cleveland.com/news/local-news/cleveland-metro/city-hall-cyber-incident-identified-as-ransomware-attackclevelandohio.govhttps://www.clevelandohio.gov/news/city-hall-reopen-public-noon-thursday-june-20-2024-following-cyberattackwosu.orghttps://www.wosu.org/2024-06-10/cleveland-city-hall-closed-after-cyberthreat?_amp=true