University of Pennsylvania
2 breaches443K affected in allEducationupenn.edu
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Hackers breach UPenn systems, send mass emails and steal donor dataOct 31, 202510 months agoHacking | Oct 31, 202510 months ago | Hacking | Education | Confirmed | 443K |
| Disclosed Apr 9, 2024Apr 9, 20242 years ago | Apr 9, 20242 years ago | Not stated | Education | Confirmed | 388 |
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- 2026-09-25 · University of Pennsylvania, 2024-04-09 · added
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · source: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-2025.pdf
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · source: https://ago.vermont.gov/document/2025-12-01-university-pennsylvania-data-breach-notice-consumers
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · data_types: ["names","credentials","dob","emails","financial","employment","addresses","phone","other","ssn","payment-card"]
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · data_types: ["names","credentials","dob","emails","financial","employment","addresses","phone","other"]
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · disclosed: 2025-10-31
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · summary: Hackers used Penn email accounts to send offensive mass emails to alumni and students and claimed to have stolen donor data; Penn later confirmed data was stolen, and in December disclosed a separate breach through Oracle E-Business Suite.
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · title: Hackers breach UPenn systems, send mass emails and steal donor data
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · hibp: UniversityOfPennsylvania
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · data_types: ["names","credentials","dob","emails","financial","employment","addresses"]
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · summary: In October 2025, the University of Pennsylvania was the victim of a data breach followed by a ransom demand , largely affecting its donor database. After the incident, the attackers sent inflammatory emails to some victims. The data was lat
- 2026-09-25 · University of Pennsylvania · domain: upenn.edu
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · data_types: ["names","credentials"]
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · records_basis: organization
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · records: 442500
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · attack: hacking
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · discovered: 2025-09-29
- 2026-09-25 · University of Pennsylvania, 2025-10-31 · added
- 2026-09-25 · University of Pennsylvania · added