HackingEducationEducationVulnerability ExploitZero-DayData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

TRUSTEES OF DARTMOUTH COLLEGE

bd_f2c4dd09e711cb7c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 30, 2025

Filed

Nov 24, 2025

To disclose

25 days

Affected

Not disclosed

Linked

13 filings

Confidence

67%

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

Dartmouth College notified consumers of a data breach involving its Oracle eBusiness Suite (EBS) software. An unauthorized actor exploited a zero-day vulnerability to access files containing names and Social Security Numbers between August 9-12, 2025. The incident was discovered on October 30, 2025. Dartmouth notified law enforcement, secured the environment, and offered one year of Experian IdentityWorks. Patches were applied.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday25 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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
New Hampshire State AGbd_e56966dbdaa7a6aa2025-11-24Verified by operator
Texas State AGbd_d680ed0b5138075b2025-11-25 · +1dVerified

Showing first 10 of 12 linked disclosures.

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

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: Nov 24, 2025
Notification sent: Nov 24, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: notified law enforcement
Initial access: exploit_public_facing

During the incident: Took measures to secure the environment
Notified law enforcement
Launched an investigation
Reviewed the files
Arranged for you to receive a complimentary one-year membership to Experian IdentityWorks
Changes made: Implemented all publicly available patches provided following the incident for the Oracle EBS software
Will continue to vet our 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: VT AG >14 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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

New Hampshire State AGNov 24 · first

Vermont 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://ago.vermont.gov/document/2025-11-24-dartmouth-college-data-breach-notice-consumers
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: 7e6bc9770f085af1890a928bbecebbb3b647265583da1c24663cbef5d41a6e68

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityTRUSTEES OF DARTMOUTH COLLEGE

Victim entityTRUSTEES OF DARTMOUTH COLLEGE

Incidentdiscovered Oct 30, 2025

Stated responseTook measures to secure the environment

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov