Australia
AUS
Isaac Regional Council ransomware disables public contact services
Isaac Regional Council identified ransomware on 1 April 2023 and isolated its network. Its principal 1300 customer-service telephone line was still offline on 13 April; Queensland auditors later found council telephone connectivity was not restored until May, impairing citizen contact and administrative service delivery.
79
Estimated severity
79 / 100
97
Source reliability
97 / 100
Approximate Date
2023-04-01
Targeted Company
ISAAC REGIONAL COUNCIL
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
Australia
Affected countries
Australia
Impacted regions
Queensland · Australia
Operational Impact
Duration
No information
Financial impact (USD M)
No information
Impact types
Operational disruptionService unavailability
Affected sectors
Government & Public Administration
Affected departments
Customer ServiceInformation Technology
Attack Profile
Attack types
Ransomware
Attributed threat actors
No information
Sources
Incident Sources
qao.qld.gov.auhttps://www.qao.qld.gov.au/reports-resources/reports-parliament/responding-recovering-cyber-attacksisaac.qld.gov.auhttps://www.isaac.qld.gov.au/Your-Council/News-and-media/Latest-News/Cybersecurity-Incident-update-4isaac.qld.gov.auhttps://www.isaac.qld.gov.au/Your-Council/News-and-media/Latest-News/Cybersecurity-incident-Update-1