HackingEducationEducationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

University of Dallas

bd_38d98f245140fbe6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

May 29, 2026

To disclose

—

Affected

52state residents only

Linked

7 filings

Confidence

66%

Full breach record for University of Dallas →

University of Dallas notified the New Hampshire Attorney General of a cyber event where an unauthorized actor accessed systems between August 11-20, 2025. The incident affected 52 New Hampshire residents, exposing names, SSNs, driver's license numbers, and passport numbers. UD notified law enforcement, engaged third-party specialists, and provided 12 months of credit monitoring via Experian to affected individuals.

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Incident timeline

Aug 11, 2025

Begins

May 29, 2026

Filed

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Massachusetts State AGbd_4537c554109604922026-05-29Candidate
Indiana State AGbd_62424cda09c8d3552026-05-29Verified by operator
Texas State AGbd_c46c5cf6d1e88a2f2026-05-29Verified by operator
Vermont State AGbd_cea71d384d53b2882026-05-29Verified

Show 2 more filings ↓

Nebraska State AGbd_d846ab8001d3850f2026-05-29Verified
Maine State AGbd_eb81b2013484d5e22026-05-29Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: University of Dallas
norm: university of dallas
Industry: Educationllm

Discovered: —
Breach occurred: Aug 11, 2025 – Aug 20, 2025
Materiality determined: —
Notification sent: May 29, 2026
Affected individuals: 52state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Notified federal law enforcement regarding the event
Working with third-party specialists
Providing access to credit monitoring services for twelve (12) months, through Experian
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators
Providing written notice of this incident to the three major credit reporting agencies
Changes made: Implementing additional safeguards and training to its employees
Reviewing existing security policies
Implemented additional cybersecurity measures to limit the likelihood of a similar event
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Massachusetts State AGMay 29 · first

Indiana State AGMay 29 · first

Texas State AGMay 29 · first

Vermont State AGMay 29 · first

Nebraska State AGMay 29 · first

Maine State AGMay 29 · first

New Hampshire State AGMay 29 · 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://mm.nh.gov/files/uploads/doj/remote-docs/university-dallas-20260529.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 29, 2026
Raw hash: b5431ec8e2073da962b4ce1c92ba97e248d9df4ffc21adf7c8ccde59cd058f1a

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityUniversity of Dallas

IncidentUnauthorized Access

Stated responseNotified federal law enforcement regarding the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov