MISSISSIPPIMalwareHealthcareHealthcareRansomwareData EncryptedCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDCriticalContained

Singing River Health System

bd_c0e5b79879b1e3d2 · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Oct 18, 2023

To disclose

—

Affected

895,204

Linked

12 filings

Confidence

69%

Full breach record for Singing River Health System →3 incidents on file

Singing River Health System reported to HHS on 2023-10-18 a ransomware attack affecting 895,204 individuals. Breached information located on Network Server. PHI included names, addresses, DOB, SSN, and medical data.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d

⚠ 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

Oct 18, 2023

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 12 about the same incident.View merged incident

A leak claim by rhysida about this victim predates this filing by 38 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Indiana State AGbd_1a96b974a3bcd52e2024-01-11 · +85dVerified by operator
Vermont State AGbd_2218eed993c0b1a72024-01-12 · +86dVerified
California State AGbd_505cfb3a0623f5e72024-01-12 · +86dVerified by operator
Massachusetts State AGbd_8234684085ac97f12024-01-12 · +86dVerified by operator

Show 6 more filings ↓up to 208d gap

Montana State AGbd_c19b11badb2ae1b92024-01-12 · +86dCandidate
Maine State AGbd_d7af4795af5942772024-01-12 · +86dVerified by operator
California State AGbd_22ca50680eed20d82024-05-13 · +208dVerified
New Hampshire State AGbd_42a09c1a664976742024-05-13 · +208dVerified by operator
Vermont State AGbd_892986d85f34b8d72024-05-13 · +208dVerified by operator
Maine State AGbd_be089a5fc3dc79bd2024-05-13 · +208dVerified

Showing first 10 of 11 linked disclosures.

Name: Singing River Health System
norm: singing river health system
Domain: singingriverhealthcare.org
Industry: Health Care Services

Name: Singing River Health System
norm: singing river health system
Domain: singingriverhealthcare.org
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 895,204nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified HHS

During the incident: Reset all passwords
Implemented a series of improved technical safeguards
Notified HHS
Notified affected individuals
Notified the media
Posted substitute breach notice on its website
Changes made: Implemented a series of improved technical safeguards
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >30dHHS 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 · 11 filings · 8 states

View merged incident ↗

HHS OCROct 18 · first · this page

Indiana State AG+85d

Vermont State AG+86d

California State AG+86d

Massachusetts State AG+86d

Montana State AG+86d

Maine State AG+86d

California State AG+208d

New Hampshire State AG+208d

Vermont State AG+208d

Maine State AG+208d

Pattern: first filing Oct 18 (MS), last May 13 (ME) — a 208-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 11 — 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://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: Oct 18, 2023
Raw hash: da49c987d36fc863cc201cd4595408761ba49e2d446ba655fd1e99d1f4c6d386

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 (10) · sorted by filing gap

Reporting entitySinging River Health System

Victim entitySinging River Health System

IncidentUnauthorized Access

Stated responseReset all passwords

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing