Cybersecurity incident — 2022-05-30 00:00:00
Affected organization: Ontario Secondary School Teachers' Federation (OSSTF)
Affected country: Canada
Industry: Educational Services
Event type: Disruptive
Event subtype: Data Attack
Motive: Financial
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

The Ontario Secondary School Teachers' Federation (OSSTF) says it was the victim of a ransomware attack earlier this year that compromised members' personal information.