MalwareHealthcareHealthcareRansomwareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountPHIHealth (basic)MediumContained

Texas Tech University Health Sciences Center

bd_6c61d54a8c64be66 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 29, 2024

Filed

Nov 13, 2025

To disclose

—

Affected

145state residents only

Linked

15 filings

Confidence

66%

Full breach record for Texas Tech University Health Sciences Center →6 incidents on file

Texas Tech University Health Sciences Center notified the Maryland Attorney General of a cybersecurity event occurring between September 17 and 29, 2024. The incident involved unauthorized access to systems, resulting in the encryption of files and potential exfiltration of data. Approximately 145 Maryland residents were affected, with impacted data including names, driver's license numbers, SSNs, financial account information, and medical records. TTUHSC engaged third-party specialists, notified law enforcement, and provided 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

Incident timeline

undetected · 12 days

Sep 17, 2024

Begins

Sep 29, 2024

Discovered

Nov 13, 2025

Filed

This filing is one of 15 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Washington State AGbd_8dc4d5429ac7975f2026-04-09 · +147dVerified by operator
Vermont State AGbd_089646818ad5fad52026-04-24 · +162dVerified
New Hampshire State AGbd_449641a5d71e4b662026-04-24 · +162dVerified by operator
Oregon State AGbd_8bb2d9eda10bb2a12026-04-24 · +162dVerified by operator

Show 6 more filings ↓up to 293d gap

California State AGbd_d650ce20ce73e9162026-04-24 · +162dVerified by operator
Maine State AGbd_fb1273ad520c4d492026-04-24 · +162dCandidate
Texas State AGbd_1ed8f8b32923e37d2026-04-27 · +165dVerified by operator
Vermont State AGbd_2e5c822b6fc0f8362025-01-24 · +293dVerified by operator
Maine State AGbd_561f2c4e93d9b1b32025-01-24 · +293dVerified by operator
New Hampshire State AGbd_789792903190041c2025-01-24 · +293dVerified by operator

Showing first 10 of 14 linked disclosures.

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Texas Tech University Health Sciences Center
norm: texas tech university health sciences center
Domain: ttuhsc.edu
Industry: Healthcarellm

Discovered: Sep 29, 2024
Breach occurred: Sep 17, 2024 – Sep 29, 2024
Undetected for: 12 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 25, 2024
Affected individuals: 145state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Began an investigation with the assistance of third-party specialists
Notified federal law enforcement and applicable regulators
Providing access to complimentary credit monitoring services for twelve (12) months, through IDX
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Working to implement additional safeguards to enhance system protection and monitoring
Reviewing relevant policies and procedures
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Vermont State AGJan 24 · first

Maine State AGJan 24 · first

New Hampshire State AGJan 24 · first

Maryland State AG+293d · this page

Washington State AG+440d

Vermont State AG+455d

New Hampshire State AG+455d

Oregon State AG+455d

California State AG+455d

Maine State AG+455d

Texas State AG+458d

Pattern: first filing Jan 24 (VT), last Apr 27 (TX) — a 458-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 14 — 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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376243.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2025
Raw hash: 3816d296f6a877865446aee56a4b7df56c6278a28244e4bb079b18f04b91e7b6

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityTexas Tech University Health Sciences Center

Incidentdiscovered Sep 29, 2024

Stated responseBegan an investigation with the assistance of third-party specialists

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov