University of Pennsylvania
MediumData breach at the University of Pennsylvania in 2025 exposed sensitive donor information involving 623,750 individuals.
- Records exposed
- 623,750 records
- Breach date
- Breach Oct 30, 2025
- Last update
- Updated Feb 16, 2026
What data was exposed?
Fields reported as compromised in this breach record.
Why does this breach matter?
In-depth analysis of the breach and its implications.
In October 2025, a security incident at the University of Pennsylvania resulted in unauthorized access to a substantial portion of their donor database. This breach exposed personal and sensitive details of 623,750 individuals, with some records containing information on income levels, donation history, and other private matters. Subsequent to the breach, threat actors utilized this information for malicious communications and later leaked the data online in February 2026, exacerbating its impact.
Impact Analysis
Understanding the scope and consequences of this breach.
- User Impact
- Exposed victims face elevated identity theft risk and potential misuse of sensitive information.
- Business Impact
- This breach significantly harmed organizational reputation and required intensive mitigation efforts.
- Affected Sectors
- Education
- Nonprofit/Foundation
- Geographic Impact
- Global
What You Should Do
Recommended actions to take in response to this breach.
If You Were Affected
- •Monitor and review all personal financial and online accounts.
- •Report suspicious activities or communications promptly.
Preventive Measures
- •Use multifactor authentication for sensitive databases.
- •Regularly audit and update cybersecurity protocols.
- •Educate staff on phishing and social engineering threats.
Frequently Asked Questions
Common questions about this breach and what it means for you.