UnknownHigh

Texas Tech University Health Sciences Center

bd_8bb2d9eda10bb2a1 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 29, 2024

Filed

Apr 24, 2026

To disclose

19 months

Affected

813,892

Linked

19 records

Confidence

95%

Full breach record for Texas Tech University Health Sciences Center →5 incidents on file

Texas Tech University Health Sciences Center reported a data breach to the Oregon Attorney General. The breach was reported on 2026-04-24. The breach occurred during 9/17/2024 - 9/29/2024. The breach was discovered on 9/29/2024. 813,892 individuals were affected. Notice was sent on 4/9/2026.

J jump to incidentP pin to compareR raw source

Oregon clock✗ OR AG >45d19 months 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 · 12 days

discovery → filing · 19 months / 572 days

Sep 17, 2024

Begins

Sep 29, 2024

Discovered

Apr 24, 2026

Filed

This filing is one of 19 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_089646818ad5fad52026-04-24Verified
New Hampshire State AGbd_449641a5d71e4b662026-04-24Verified by operator
California State AGbd_d650ce20ce73e9162026-04-24Verified by operator
Maine State AGbd_fb1273ad520c4d492026-04-24Candidate

Show 6 more filings ↓up to 455d gap

Texas State AGbd_1ed8f8b32923e37d2026-04-27 · +3dVerified by operator
Washington State AGbd_8dc4d5429ac7975f2026-04-09 · +15dVerified by operator
Maryland State AGbd_6c61d54a8c64be662025-11-13 · +162dVerified by operator
Massachusetts State AGbd_5500a70c17b28aca2025-01-25 · +454dVerified by operator
Massachusetts State AGbd_571c3d6360691c0e2025-01-25 · +454dVerified by operator
Nebraska State AGbd_00305438b8930f502025-01-24 · +455dVerified by operator

Showing first 10 of 18 linked disclosures.

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

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

Discovered: Sep 29, 2024
Breach occurred: Sep 17, 2024 – Sep 29, 2024
Undetected for: 12 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 9, 2026
Affected individuals: 813,892nationwide
Data types: —
Attack vector: Unknown

Time to disclose: 19 months(572 days from discovery to filing)
Compliance flags: OR AG >45d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 10 states

View merged incident ↗

Nebraska State AGJan 24 · first

Massachusetts State AG+1d

Maryland State AG+293d

Washington State AG+440d

Vermont State AG+455d

New Hampshire State AG+455d

California State AG+455d

Maine State AG+455d

Oregon State AG+455d · this page

Texas State AG+458d

Pattern: first filing Jan 24 (NE), 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 18 — 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://justice.oregon.gov/consumer/DataBreach/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 24, 2026
Raw hash: 875d72b36f67e180e4ca5ec0720b4d098306b782591a3c08f16c83cbc47c03ee

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityTexas Tech University Health Sciences Center

Victim entityTexas Tech University Health Sciences Center

Incidentdiscovered Sep 29, 2024

ComplianceOR AG >45d

Extraction provenanceno artifact recorded

Source provenancejustice.oregon.gov