United States
USA
Delano Public Schools ransomware cancels classes
Delano Public Schools discovered a ransomware incident on May 19, 2026 after ransom messages appeared across district systems. The district shut down network access and canceled classes on May 20 while systems were assessed; classes resumed the following day with connectivity limitations. LockBit later claimed the incident, while the district reported that data was likely taken.
66
Estimated severity
66 / 100
—
Source reliability
No information
Approximate Date
19/05/2026
Targeted Company
DELANO 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
Minnesota · United States
Operational Impact
Duration
1 day
Financial impact (USD M)
No information
Impact types
Service unavailabilityService degradation
Affected sectors
Education & Research
Affected departments
Information Technology
Attack Profile
Attack types
Ransomware
Attributed threat actors
LOCKBIT
Sources
Incident Sources
cbsnews.comhttps://www.cbsnews.com/minnesota/news/delano-schools-closed-cyber-incident/bringmethenews.comhttps://bringmethenews.com/minnesota-news/delano-schools-back-in-session-thursday-following-cyber-attackcomparitech.comhttps://www.comparitech.com/news/cybercriminals-give-delano-public-schools-two-weeks-to-pay-ransom/