HackingEducationEducationCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

YALE UNIVERSITY

bd_452df497a2429e43 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 4, 2025

Filed

Mar 12, 2025

To disclose

5 weeks

Affected · nationwide

3351 in this filing

Confidence

65%

Full breach record for YALE UNIVERSITY →6 incidents on file

The Seltzer Firm, on behalf of Yale University, reported an external system breach (hacking) occurring on December 10, 2024, discovered on February 4, 2025. The incident affected 335 individuals, including 1 Maine resident. Personal identifiers were compromised. Affected individuals were notified on March 12, 2025, and offered 12 months of credit monitoring and identity protection services via Cyberscout.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Feb 4, 2025 → Filed with AG Mar 12, 202536d ⏱ ME AG >30d5 weeks 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 · 56 days

discovery → filing · 5 weeks / 36 days

Dec 10, 2024

Begins

Feb 4, 2025

Discovered

Mar 12, 2025

Filed

vs. sector median

2 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed335 affectedView incident

Name: The Seltzer Firm
norm: the seltzer firm

Name: YALE UNIVERSITY
norm: yale university
Domain: yale.edu
Industry: Educationllm

Discovered: Feb 4, 2025
Breach occurred: Dec 10, 2024
Undetected for: 56 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 12, 2025
Affected individuals: 335state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Offering 12 months of complimentary credit monitoring and identity protection services through Cyberscout, a TransUnion company
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(36 days from discovery to filing)
Compliance flags: ME AG >30d · 36d
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: Feb 4, 2025
→ Filed with AG: Mar 12, 2025
36d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Feb 4, 2025 → Filed with AG: Mar 12, 2025	36d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

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-a1252b4f8318/7619b510-4b0d-491e-98b0-62bc665c8bfd.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 12, 2025
Raw hash: 145d15bc5d4412dce2fa09a9d1b2784c383a466e92b3995493686cdacc27bf9a

Reporting entityThe Seltzer Firm

Victim entityYALE UNIVERSITY

Incidentdiscovered Feb 4, 2025

Stated responseOffering 12 months of complimentary credit monitoring and identity protection services through Cyberscout, a TransUnion company

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov