Constellation Software
Data Breach on May 05, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | csisoftware.com | |
| Claimed By | ALPHV | |
| Date Discovered | May 05, 2023 | |
| Description | Constellation Software is a Canadian diversified software company. | |
| Leak Size | Unknown |
Credential Exposure for csisoftware.com
We've indexed 36 @csisoftware.com accounts from external breaches, plus 18 credentials for csisoftware.com itself.
Last checked Oct 4, 2026
| @csisoftware.com addresses from external breaches | |
|---|---|
| Third-party breaches | 35 accounts · across 24 breaches · 34 with a plaintext password · most recent Aug 18, 2024 |
| Combo lists | 12 accounts · most recent Feb 5, 2026 |
| Passwords for csisoftware.com accounts | |
|---|---|
| Combo lists | 18 logins · most recent Oct 1, 2026 |
| Infostealer logs | 6 logins · 3 infected devices · most recent Jul 31, 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.
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