Ransomware Attack Targets Canada’s Largest School Board

Canada’s largest school district is investigating a cyber incident, adding to a series of ransomware attacks that have caused disruptions to companies and public institutions in the country.

The Toronto District School Board alerted parents Wednesday in an emailed letter, noting that the attack happened when an unauthorized party gained access to the board’s technology testing environment. The TDSB said its cybersecurity team took immediate steps to preserve data and safeguard critical operations, adding that its systems are operational and haven’t been impacted. Toronto police have been notified.

The TDSB said it’s investigating to determine impacts of the incident and ...