Leidos
Data Breach on May 29, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | leidos.com | |
| Threat Actor | Trigona | |
| Date Discovered | May 29, 2023 | |
| Description | Leidos is a leading systems integrator in the science, technology, and engineering space. | |
| Leak Size | Unknown |
Credential Exposure for leidos.com
We've indexed 13,357 @leidos.com accounts from external breaches, plus 383 credentials for leidos.com itself.
Last checked Aug 16, 2026
| @leidos.com addresses from external breaches | |
|---|---|
| Combo lists | 11,458 accounts · most recent Aug 15, 2026 |
| Third-party breaches | 2,087 accounts · across 265 breaches · 1,919 with a plaintext password · most recent Dec 18, 2025 |
| Passwords for leidos.com accounts | |
|---|---|
| Combo lists | 320 logins · most recent Aug 15, 2026 |
| Infostealer logs | 100 logins · 67 infected devices · most recent Aug 7, 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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