MalwareHealthcareHealthcareRansomwareData EncryptedTargetedIdentity (basic)Government IDHealth (basic)PHIMediumContained

Singing River Health System

bd_c19b11badb2ae1b9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 19, 2023

Filed

Jan 12, 2024

To disclose

21 weeks

Affected

35state residents only

Linked

12 records

Confidence

65%

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

Singing River Health System notified affected individuals of a ransomware attack discovered on August 19, 2023. Unauthorized access occurred between August 16-18, 2023. Impacted data included names, DOBs, addresses, SSNs, and medical/health information. The organization engaged forensic specialists and offered credit monitoring services.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d21 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 3 days

discovery → filing · 21 weeks / 146 days

Aug 16, 2023

Begins

Aug 19, 2023

Discovered

Jan 12, 2024

Filed

vs. sector median

+12 wks slower

This filing is one of 12 records about the same incident.View merged incident

A leak claim by rhysida about this victim was first seen 124 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_2218eed993c0b1a72024-01-12Verified
California State AGbd_505cfb3a0623f5e72024-01-12Verified by operator
Massachusetts State AGbd_8234684085ac97f12024-01-12Verified by operator
Maine State AGbd_d7af4795af5942772024-01-12Verified by operator

Show 6 more filings ↓up to 122d gap

Indiana State AGbd_1a96b974a3bcd52e2024-01-11 · +1dVerified by operator
HHS OCRbd_c0e5b79879b1e3d22023-10-18 · +86dVerified
California State AGbd_22ca50680eed20d82024-05-13 · +122dVerified
New Hampshire State AGbd_42a09c1a664976742024-05-13 · +122dVerified by operator
Vermont State AGbd_892986d85f34b8d72024-05-13 · +122dVerified by operator
Maine State AGbd_be089a5fc3dc79bd2024-05-13 · +122dVerified

Showing first 10 of 11 linked disclosures.

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

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

Discovered: Aug 19, 2023
Breach occurred: Aug 16, 2023 – Aug 18, 2023
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 12, 2024
Affected individuals: 35state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: Date of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Promptly took steps to secure our systems
Engaged with a third-party forensic specialist to assist in conducting a comprehensive investigation
Offering 12/24 months of credit monitoring and identity restoration services through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(146 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

HHS OCROct 18 · first

Indiana State AG+85d

Vermont State AG+86d

California State AG+86d

Massachusetts State AG+86d

Maine State AG+86d

Montana State AG+86d · this page

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1027.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 12, 2024
Raw hash: 39e01532167547416292bd3ff8a202ededb247122018adbf751999ff9a70c271

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entitySinging River Health System

Victim entitySinging River Health System

Incidentdiscovered Aug 19, 2023

Stated responsePromptly took steps to secure our systems

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancedojmt.gov