Appen
Data breach claim reported October 25, 2024
| Data Breach Report | |||
|---|---|---|---|
| Victim | appen.com | ||
| Claimed By | APT73 | ||
| Date Discovered | Oct 25, 2024 | ||
| Description | Appen specializes in data for artificial intelligence (AI) and machine learning, providing high-quality training data to enhance machine learning models. | ||
| Leak Size | Unknown |
Breach claims on this page are published by threat actors and haven't been verified by Breachsense.
Credential Exposure for appen.com
We've indexed 10,103 @appen.com accounts from external breaches, plus 234,472 credentials for appen.com itself.
Last checked Nov 8, 2026
| @appen.com addresses from external breaches | |
|---|---|
| Combo lists | 8,922 accounts · most recent Nov 8, 2026 |
| Third-party breaches | 1,220 accounts · across 75 breaches · 1,136 with a plaintext password · most recent Mar 22, 2026 |
| Passwords for appen.com accounts | |
|---|---|
| Combo lists | 144,960 logins · most recent Nov 8, 2026 |
| Infostealer logs | 95,852 logins · 62,708 infected devices · most recent Nov 8, 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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