HackingEducationEducationVulnerability ExploitZero-DaySupply Chain (3P Vendor)Customer Data InvolvedGovernment IDIdentity (basic)Financial accountMediumContained

The Trustees of the University of Pennsylvania

bd_194bd163b527a335 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 1, 2025

To disclose

—

Affected

Not disclosed

Linked

17 filings

Confidence

64%

Full breach record for The Trustees of the University of Pennsylvania →3 incidents on file

The University of Pennsylvania notified California residents of a data breach involving a third-party Oracle E-Business Suite application. A previously unknown vulnerability (zero-day) in Oracle software allowed unauthorized access to data between August 9 and August 11, 2025. Affected data included Social Security numbers, names, addresses, and bank account information. The University engaged cybersecurity experts, notified law enforcement, applied patches, and is offering 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

Aug 9, 2025

Begins

Dec 1, 2025

Filed

This filing is one of 17 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteshinyhuntersbd_20d98f86cadb16022026-02-04 · +65dVerified by operator

Regulatory filings (9) · sorted by filing gap

Montana State AGbd_1fae715254418c002025-12-01Verified by operator
Iowa State AGbd_3340eceed80aa4a62025-12-01Verified by operator
South Carolina State AGbd_36bdda19f39a3c942025-12-01Verified
Delaware State AGbd_5e138ad76c39ef7a2025-12-01Verified by operator

Show 5 more filings ↓up to 135d gap

Massachusetts State AGbd_8ad1850d7141bc9a2025-12-02 · +1dVerified by operator
Texas State AGbd_e679c6a24510eaf92025-12-03 · +2dVerified by operator
New Hampshire State AGbd_04392877ff003a222025-12-04 · +3dVerified
Oregon State AGbd_52860701b7a833ff2025-12-22 · +21dVerified by operator
Washington State AGbd_5fa5e741d0d862242026-04-15 · +135dVerified by operator

Showing first 10 of 16 linked disclosures.

Name: The Trustees of the University of Pennsylvania
norm: the trustees of the university of pennsylvania

Name: The Trustees of the University of Pennsylvania
norm: the trustees of the university of pennsylvania
Industry: Educationllm

Discovered: —
Breach occurred: Aug 9, 2025 – Aug 11, 2025
Materiality determined: —
Notification sent: Dec 1, 2025
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)Financial account
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Cooperating with an ongoing federal law enforcement investigation
Third party: via Oracle
Initial access: exploit_public_facing

During the incident: Launched an investigation with the assistance of outside cybersecurity experts
Notified law enforcement and is cooperating with an ongoing federal law enforcement investigation
Applied all security patches released by Oracle to address the vulnerability
Working with cybersecurity experts to reinforce systems to mitigate the risk of future unauthorized access
Changes made: Providing access to complimentary Experian credit monitoring and remediation services for 24 months at no charge
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 10 states

View merged incident ↗

Montana State AGDec 1 · first

Iowa State AGDec 1 · first

South Carolina State AGDec 1 · first

Delaware State AGDec 1 · first

California State AGDec 1 · first · this page

Massachusetts State AG+1d

Texas State AG+2d

New Hampshire State AG+3d

Oregon State AG+21d

Washington State AG+135d

Pattern: first filing Dec 1 (MT), last Apr 15 (WA) — a 135-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 16 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-614893
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 1, 2025
Raw hash: 3c58e0135b4e7367b0938ff4f7c5e1cc6ec6be217b9c2ec233d034b0a4f68be0

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityThe Trustees of the University of Pennsylvania

Victim entityThe Trustees of the University of Pennsylvania

IncidentThird-Party / Supply Chain

Stated responseLaunched an investigation with the assistance of outside cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov