CALIFORNIAHackingHealthcareHealthcareCustomer Data InvolvedHealth (basic)Medium

Tieu Dental Corporation

bd_62287b3e2fb7b0fe · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 5, 2026

To disclose

—

Affected

8,918

Linked

3 filings

Confidence

73%

Full breach record for Tieu Dental Corporation →

Tieu Dental Corporation (CA) reported to HHS OCR on 2026-03-05 a Hacking/IT Incident affecting 8,918 individuals. Breached information was located on a Network Server. No business associate was identified as present. No further detail was provided in the web description.

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HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Mar 5, 2026

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

California State AGbd_59f20023789244912026-03-05Candidate
Massachusetts State AGbd_ef1e883718516c4e2026-03-05Verified

Name: Tieu Dental Corporation
norm: tieu dental
Industry: Health Care Services

Name: Tieu Dental Corporation
norm: tieu dental
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 8,918nationwide
Data types: Health (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
Threat actor: External

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 2 states

View merged incident ↗

California State AGMar 5 · first

Massachusetts State AGMar 5 · first

HHS OCRMar 5 · 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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Mar 5, 2026
Raw hash: 3c7648198d62d28df07c3b5a9d0e2987526ec8da002b1a32701b6f43afdbd098

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

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Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityTieu Dental Corporation

Victim entityTieu Dental Corporation

IncidentUnauthorized Access

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing