Upper Darby School District
Data Breach on June 21, 2024
| Data Breach Report | |||
|---|---|---|---|
| Victim | upperdarbysd.org | ||
| Threat Actor | INC_RANSOM | ||
| Date Discovered | Jun 21, 2024 | ||
| Description | Upper Darby School District is a large public school district of approximately 12,000 students in Upper Darby Township, Delaware County, Pennsylvania. | ||
| Leak Size | 500GB |
Credential Exposure for upperdarbysd.org
We've indexed 1,933 @upperdarbysd.org accounts from external breaches, plus 31 credentials for upperdarbysd.org itself.
Last checked Aug 16, 2026
| @upperdarbysd.org addresses from external breaches | |
|---|---|
| Third-party breaches | 1,480 accounts · across 137 breaches · 1,028 with a plaintext password · most recent Feb 7, 2026 |
| Combo lists | 683 accounts · most recent Aug 15, 2026 |
| Passwords for upperdarbysd.org accounts | |
|---|---|
| Combo lists | 30 logins · most recent Aug 15, 2026 |
| Infostealer logs | 5 logins · 6 infected devices · most recent Jul 19, 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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