University of Pennsylvania Data Breach
The University of Pennsylvania experienced a cyberattack where threat actors breached its systems on October 30, 2025, using a compromised employee PennKey SSO account. The attackers gained access to systems related to the university's development and alumni activities, including Salesforce, Qlik analytics, SAP business intelligence, and SharePoint files. They stole 1.71 GB of internal documents and claimed to have accessed 1.2 million records from the Salesforce donor marketing database, containing PII such as names, birthdates, addresses, phone numbers, and financial information. The breach was discovered on October 31, 2025.
Signal context
First seen: Oct 30, 2025
Last updated: Jun 25, 2026
Status: Public signal
Key points
- Breach occurred on October 30, 2025, discovered October 31, 2025.
- Compromised employee PennKey SSO account used for initial access.
- Accessed Salesforce, Qlik, SAP, and SharePoint systems.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Finance and Insurance
Likely country: Location not provided
The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.
- Source type: outside the affected organization
- Source type: possible insider or internal misuse
Impact area: Confidentiality
Likely asset: User or customer data, Server or cloud data store
- 21 signals in the same sector
- 90 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Penn says investigation into October 2025 cybersecurity breach is 'complete' - The Daily Pennsylvanianhttps://www.thedp.com/article/2026/02/penn-cybersecurity-breach-investigation-complete-october-2025Public source from thedp.com.
From the Vice President of Information Technology: A Message to the University-Follow Up to the Cybersecurity Incident - UPenn Almanachttps://almanac.upenn.edu/articles/from-the-vice-president-of-information-technology-a-message-to-the-university-follow-up-to-the-cybersecurity-incidentPublic source from almanac.upenn.edu.
University of Pennsylvania confirms data stolen in cyberattackhttps://www.bleepingcomputer.com/news/security/university-of-pennsylvania-confirms-data-stolen-in-cyberattack/Public source from bleepingcomputer.com.
The University of Pennsylvania Data Breach: What It Reveals About Cybersecurity in Higher Educationhttps://seceon.com/the-university-of-pennsylvania-data-breach-what-it-reveals-about-cybersecurity-in-higher-education/Public source from seceon.com.
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