HackingEducationEducationVulnerability ExploitZero-DayData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)Financial accountHighContained

TRUSTEES OF DARTMOUTH COLLEGE

bd_e56966dbdaa7a6aa · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 30, 2025

Filed

Nov 24, 2025

To disclose

25 days

Affected

31,742state residents only

Linked

13 filings

Confidence

65%

Full breach record for TRUSTEES OF DARTMOUTH COLLEGE →3 incidents on file

Dartmouth College notified the New Hampshire Attorney General of a security incident involving its Oracle eBusiness Suite (EBS) software. An unauthorized actor exploited a zero-day vulnerability in the software to exfiltrate files containing names, Social Security numbers, and financial account information of 31,742 New Hampshire residents between August 9 and 12, 2025. Dartmouth discovered the incident on October 30, 2025, and began notifying affected individuals on November 24, 2025. Remediation included applying available patches and offering one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 82 days

discovery → filing · 25 days

Aug 9, 2025

Begins

Oct 30, 2025

Discovered

Nov 24, 2025

Filed

vs. sector median

3 wks faster

This filing is one of 13 about the same incident.View merged incident

Part of ORACLE CORPORATION supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Maine State AGbd_07b22465c236a6f22025-11-24Verified
Oregon State AGbd_2dead266e42de1ff2025-11-24Verified by operator
Indiana State AGbd_38e52b6e38cc0ee42025-11-24Verified by operator
Montana State AGbd_3b0210c2acc1ce1b2025-11-24Verified by operator

Show 6 more filings ↓up to 1d gap

Washington State AGbd_439dac3a0f840f592025-11-24Verified
Massachusetts State AGbd_6854077ce0b881d22025-11-24Verified
Nebraska State AGbd_6dfe95e3e2536ab42025-11-24Verified
California State AGbd_d741e94ef055d19f2025-11-24Verified by operator
Vermont State AGbd_f2c4dd09e711cb7c2025-11-24Verified by operator
Texas State AGbd_d680ed0b5138075b2025-11-25 · +1dVerified

Showing first 10 of 12 linked disclosures.

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: TRUSTEES OF DARTMOUTH COLLEGE
norm: trustees of dartmouth college
Domain: dartmouth.edu
Industry: Educationllm

Discovered: Oct 30, 2025
Breach occurred: Aug 9, 2025 – Aug 12, 2025
Undetected for: 82 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 24, 2025
Affected individuals: 31,742state-resident count only
Data types: Government IDIdentity (basic)Financial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Took measures to secure the environment
Notified law enforcement
Launched an investigation
Began mailing notification letters via U.S. First-Class mail
Established a toll-free call center
Changes made: Implemented all publicly available patches provided following the incident for the Oracle EBS software
Will continue to vet their vendors’ data security practices
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 days(25 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Maine State AGNov 24 · first

Oregon State AGNov 24 · first

Indiana State AGNov 24 · first

Montana State AGNov 24 · first

Washington State AGNov 24 · first

Massachusetts State AGNov 24 · first

Nebraska State AGNov 24 · first

California State AGNov 24 · first

Vermont State AGNov 24 · first

New Hampshire State AGNov 24 · first · this page

Texas State AG+1d

Cascade drawn from the first 10 linked disclosures of 12 — 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://mm.nh.gov/files/uploads/doj/remote-docs/dartmouth-college-20251124.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 24, 2025
Raw hash: 30d685eaf97d0cb0470c99adc0f1bf3da8f69e5c2d2a4f1f79674d9bb55b3a61

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityTRUSTEES OF DARTMOUTH COLLEGE

Incidentdiscovered Oct 30, 2025

Stated responseTook measures to secure the environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov