MARYLANDHackingHealthcareHealthcarePHIHealth (basic)Identity (basic)Government IDCriticalContained

Centers for Medicare & Medicaid Services

bd_4e8eeccb014c3add · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Sep 6, 2024

To disclose

—

Affected

3,112,815

Confidence

69%

Full breach record for Centers for Medicare & Medicaid Services →4 incidents on file

Centers for Medicare & Medicaid Services reported to HHS on 2024-09-06 a Hacking/IT Incident affecting 3,112,815 individuals. Breached information located on Network Server. A business associate's software application exposed PHI including names, DOBs, SSNs, and claims data. The CE and BA implemented additional administrative and technical safeguards.

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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

Sep 6, 2024

Filed

—

No filing yet · watching

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3,112,815 affectedView incident

Name: Centers for Medicare & Medicaid Services
norm: centers for medicare medicaid
Domain: cms.gov
Industry: Insurance — Health

Name: Centers for Medicare & Medicaid Services
norm: centers for medicare medicaid
Domain: cms.gov
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 3,112,815nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Health planBusiness associate involved
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 ChannelT1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Notified HHS

During the incident: Notified HHS
Notified the media
Provided substitute notice
Notified affected individuals
Implemented additional administrative and technical safeguards
Changes made: Implemented additional administrative and technical safeguards
Source: Quoted from the filing itself, not independently verified.

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.

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: Sep 6, 2024
Raw hash: 54fc728e6ec97b5589bd9a081b15300c2cf983f56651517d972cdfe1a4de2f71

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Reporting entityCenters for Medicare & Medicaid Services

Victim entityCenters for Medicare & Medicaid Services

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing