Mason Manufacturing
Data Breach on March 17, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | masonmfg.com | |
| Threat Actor | CL0P | |
| Date Discovered | Mar 17, 2023 | |
| Description | Mason Manufacturing provides custom fabrication of shell and tube heat exchangers, ASME pressure vessels, columns, and tanks for a variety of processing industries. | |
| Leak Size | 128GB |
Credential Exposure for masonmfg.com
We've indexed 5 @masonmfg.com accounts from external breaches, plus 1 credentials for masonmfg.com itself.
Last checked Aug 16, 2026
| @masonmfg.com addresses from external breaches | |
|---|---|
| Third-party breaches | 5 accounts · across 12 breaches · 5 with a plaintext password · most recent Feb 8, 2021 |
| Combo lists | 3 accounts · most recent Nov 25, 2025 |
| Passwords for masonmfg.com accounts | |
|---|---|
| Combo lists | 1 logins · most recent Nov 26, 2025 |
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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