Kurt J. Lesker
Data Breach on December 03, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | lesker.com | ||
| Claimed By | Chaos | ||
| Date Discovered | Dec 03, 2025 | ||
| Description | The Kurt J. Lesker Company (KJLC) is a global manufacturer company based in the USA (Pennsylvania) distributes vacuum technology solutions, serving a wide array of industries including semiconductor manufacturing, aerospace, and R&D. | ||
| Leak Size | 615GB |
Credential Exposure for lesker.com
We've indexed 178 @lesker.com accounts from external breaches, plus 69 credentials for lesker.com itself.
Last checked Oct 11, 2026
| @lesker.com addresses from external breaches | |
|---|---|
| Third-party breaches | 175 accounts · across 73 breaches · 163 with a plaintext password · most recent Aug 18, 2024 |
| Combo lists | 61 accounts · most recent Aug 23, 2026 |
| Passwords for lesker.com accounts | |
|---|---|
| Combo lists | 38 logins · most recent Oct 10, 2026 |
| Infostealer logs | 32 logins · 25 infected devices · most recent Sep 3, 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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