Toronto District School Board (TDSB)
Data Breach on September 02, 2024
| Data Breach Report | |||
|---|---|---|---|
| Victim | tdsb.on.ca | ||
| Claimed By | LockBit | ||
| Date Discovered | Sep 02, 2024 | ||
| Description | Toronto District School Board (TDSB) is the largest school board in Canada, overseeing public education in Toronto. | ||
| Leak Size | Unknown |
Credential Exposure for tdsb.on.ca
We've indexed 59,679 @tdsb.on.ca accounts from external breaches, plus 9,460 credentials for tdsb.on.ca itself.
Last checked Oct 11, 2026
| @tdsb.on.ca addresses from external breaches | |
|---|---|
| Third-party breaches | 49,417 accounts · across 500 breaches · 44,900 with a plaintext password · most recent Aug 31, 2026 |
| Combo lists | 27,798 accounts · most recent Oct 10, 2026 |
| Phishing pages | 2 accounts · most recent Sep 18, 2026 |
| Passwords for tdsb.on.ca accounts | |
|---|---|
| Combo lists | 9,214 logins · most recent Oct 10, 2026 |
| Infostealer logs | 2,259 logins · 1,412 infected devices · most recent Oct 10, 2026 |
Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.
Is your organization next?
Toronto District School Board (TDSB) was breached. Check if your company's credentials have been exposed in this or other data breaches.
Check your exposure →Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.