Canada
CAN
Cyberattack cancels Durham District School Board online classes and examinations
Durham District School Board detected a cyber incident on November 25, 2022. The attack disabled district email and telephone services, interfered with emergency-contact and attendance systems, and made many student Chromebooks unusable. The district canceled DDSB@Home remote instruction and scheduled literacy examinations while in-person schools continued operating with manual attendance and other contingency procedures.
81
Estimated severity
81 / 100
97
Source reliability
97 / 100
Approximate Date
2022-11-25
Targeted Company
DURHAM DISTRICT SCHOOL BOARD
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
Canada
Affected countries
Canada
Impacted regions
Ontario · Canada
Operational Impact
Duration
No information
Financial impact (USD M)
No information
Impact types
Operational disruptionService degradationService unavailability
Affected sectors
Education & Research
Affected departments
Customer ServiceInformation Technology
Attack Profile
Attack types
No information
Attributed threat actors
No information
Sources
Incident Sources