United States
USA
Highline Public Schools ransomware attack closes district schools
Highline Public Schools discovered unauthorized activity on 7 September 2024 that a forensic investigation later confirmed was ransomware. Critical technology systems went offline, causing the district's schools and activities to be canceled for multiple days. Schools reopened on 12 September with portions of the digital network still unavailable and continued recovery measures in place.
86
Estimated severity
86 / 100
93
Source reliability
93 / 100
Approximate Date
07/09/2024
Targeted Company
HIGHLINE PUBLIC SCHOOLS
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
Washington · United States
Operational Impact
Duration
No information
Financial impact (USD M)
No information
Impact types
Facility shutdownService unavailabilityService degradationOperational disruption
Affected sectors
Education & Research
Affected departments
Information Technology
Attack Profile
Attack types
Ransomware
Attributed threat actors
No information
Sources
Incident Sources
highlineschools.orghttps://www.highlineschools.org/about/news/news-details/~board/district-news/post/cyber-investigation-updatewashingtonskillscenters.orghttps://www.washingtonskillscenters.org/article/1758750therecord.mediahttps://therecord.media/highline-public-schools-washington-state-cyberattackhighlineschools.orghttps://www.highlineschools.org/about/notice-of-data-security-event