Montreal Electrical Services Commission (CSEM)
Data breach claim reported August 10, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | csem.qc.ca | |
| Claimed By | LockBit | |
| Date Discovered | Aug 10, 2023 | |
| Description | Montreal Electrical Services Commission (CSEM) provides a reliable, safe and sustainable infrastructure network, both underground and above ground. | |
| Leak Size |
Breach claims on this page are published by threat actors and haven't been verified by Breachsense.
Credential Exposure for csem.qc.ca
We've indexed 25 @csem.qc.ca accounts from external breaches, plus 12 credentials for csem.qc.ca itself.
Last checked Nov 8, 2026
| @csem.qc.ca addresses from external breaches | |
|---|---|
| Third-party breaches | 22 accounts · across 21 breaches · 20 with a plaintext password · most recent Apr 30, 2024 |
| Combo lists | 14 accounts · most recent Nov 5, 2026 |
| Passwords for csem.qc.ca accounts | |
|---|---|
| Combo lists | 12 logins · most recent Nov 8, 2026 |
| Infostealer logs | 7 logins · 2 infected devices · most recent Mar 20, 2024 |
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?
Check if your company's credentials have been exposed in this or other data breaches.
Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.