HackingEducationEducationVulnerability ExploitData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

PRESIDENT AND FELLOWS OF HARVARD COLLEGE

bd_7c58fca1e329c51e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 29, 2025

Filed

Nov 3, 2025

To disclose

5 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

66%

Full breach record for PRESIDENT AND FELLOWS OF HARVARD COLLEGE →7 incidents on file

Harvard College notified Vermont AG of a data breach where a third party exploited a vulnerability in an Oracle E-Business Suite web application between Aug 9-20, 2025. The incident exposed names, addresses, and Social Security Numbers of affected individuals. Harvard engaged forensic experts, isolated systems, and is providing 24 months of credit monitoring.

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Vermont clock⏱ VT AG >14 bday5 weeks 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 · 51 days

discovery → filing · 5 weeks / 35 days

Aug 9, 2025

Begins

Sep 29, 2025

Discovered

Nov 3, 2025

Filed

vs. sector median

4 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_bec2451a805e4f2c2025-11-03Verified

Name: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
norm: president and fellows of harvard college

Name: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
norm: president and fellows of harvard college
Industry: Educationllm

Discovered: Sep 29, 2025
Breach occurred: Aug 9, 2025 – Aug 20, 2025
Undetected for: 51 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 3, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Misconfiguration
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Initiated an investigation of the incident
Took steps to further secure our systems, including isolating the relevant systems
Implementing application updates issued by Oracle
Working with external forensics experts
Arranged for you to enroll, at no cost to you, in an online credit monitoring service for 24 months
Changes made: Continually take steps to review the security of the University’s systems to mitigate against future incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(35 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 · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGNov 3 · first

Vermont State AGNov 3 · first · this page

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/2025-11-03-president-and-fellows-harvard-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 3, 2025
Raw hash: e1ad07240102a997fe1f0c710c4d94144cebd7c38d8a39d4a067373508c24489

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityPRESIDENT AND FELLOWS OF HARVARD COLLEGE

Victim entityPRESIDENT AND FELLOWS OF HARVARD COLLEGE

Incidentdiscovered Sep 29, 2025

Stated responseInitiated an investigation of the incident

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov