HackingEducationEducationVulnerability ExploitData ExfiltratedTargetedPIIIdentity (basic)MediumContained

The Trustees of the University of Pennsylvania

bd_9291855aaa6200ea · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 11, 2025

Filed

Dec 1, 2025

To disclose

20 days

Affected

1,488state residents only

Linked

17 filings

Confidence

66%

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

The University of Pennsylvania disclosed a data breach affecting Oracle E-Business Suite. Unauthorized access occurred between August 9-11, 2025, discovered on November 11, 2025. 1,488 Maine residents were notified on December 1, 2025. Personal information was accessed. The University engaged forensic experts, notified law enforcement, and applied security patches. Credit monitoring services were offered.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 11, 2025 → Filed with AG Dec 1, 202520d ✓ ME AG ≤30d20 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 94 days

discovery → filing · 20 days

Aug 9, 2025

Begins

Nov 11, 2025

Discovered

Dec 1, 2025

Filed

vs. sector median

4 wks faster

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

California State AGbd_194bd163b527a3352025-12-01Verified by operator
Montana State AGbd_1fae715254418c002025-12-01Verified by operator
Iowa State AGbd_3340eceed80aa4a62025-12-01Verified by operator
South Carolina State AGbd_36bdda19f39a3c942025-12-01Verified

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
Industry: Education

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

Discovered: Nov 11, 2025
Breach occurred: Aug 9, 2025 – Aug 11, 2025
Undetected for: 94 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 1, 2025
Affected individuals: 1,488state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: cooperating with an ongoing federal law enforcement investigation
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
Initiated a detailed review to determine whether any personal information was involved
Applied all security patches released by Oracle to address the vulnerability
Working with cybersecurity experts to reinforce our systems
Changes made: Applied all security patches released by Oracle to address the vulnerability
Working with cybersecurity experts to reinforce our systems to mitigate the risk of future unauthorized access to information
Offering complimentary Experian credit monitoring and remediation services for 24 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 days(20 days from discovery to filing)
Compliance flags: ME AG ≤30d · 20dME CRA notice due
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Nov 11, 2025
→ Filed with AG: Dec 1, 2025
20d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 11, 2025 → Filed with AG: Dec 1, 2025	20d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 10 states

View merged incident ↗

California State AGDec 1 · first

Montana State AGDec 1 · first

Iowa State AGDec 1 · first

South Carolina State AGDec 1 · first

Maine 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 (CA), 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/6de24e56-1806-4f42-853e-6c505ee1427f.html
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: dfdc78fc148d7a1ea442300e675ba66a8f9268b8caa765b9705b9eb9669108fe

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

Incidentdiscovered Nov 11, 2025

Stated responseLaunched an investigation with the assistance of outside cybersecurity experts

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov