On November 17, 2025, the Ontario Information and Privacy
Commissioner (IPC) released a complaint report arising from the
December 2024 cyberattack against the PowerSchool Student
Information System (SIS). The report is the IPC's most current
guidance on the obligations of Ontario public sector institutions
that outsource systems for processing personal information.
The findings
Twenty public school boards reported the PowerSchool incident to
the IPC.
A threat actor used compromised credentials with elevated
permissions to access multiple SIS environments and exfiltrated
data relating to current and former students, parents/guardians,
and educators.
The IPC concluded that, as a whole, the institutions did not
have reasonable measures in place to prevent unauthorized access.
It focused on the respondent boards' management of PowerSchool,
stressing the need for school boards to collaborate in obtaining
more protective contractual terms and the need for school