MalwareHealthcareHealthcareRansomwareCustomer Data InvolvedData EncryptedPHIIdentity (basic)Government IDHealth (basic)MediumContained

Singing River Health System

bd_505cfb3a0623f5e7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 19, 2023

Filed

Jan 12, 2024

To disclose

21 weeks

Affected

Not disclosed

Linked

12 filings

Confidence

65%

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

Singing River Health System suffered a ransomware attack on August 19, 2023, with unauthorized access occurring between August 16-18, 2023. The incident potentially exposed names, dates of birth, addresses, Social Security numbers, and medical/health information. The organization engaged forensic specialists and is offering credit monitoring services to affected individuals.

J jump to incidentP pin to compareR raw source

California clockDiscovered Aug 19, 2023 → Notified Jan 12, 2024146d ✗ CA 60-day late21 weeks discovery → filing

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

+10 wks slower

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 124 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_2218eed993c0b1a72024-01-12Verified
Massachusetts State AGbd_8234684085ac97f12024-01-12Verified by operator
Montana State AGbd_c19b11badb2ae1b92024-01-12Candidate
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: Not disclosed
Data types: PHIIdentity (basic)Government IDHealth (basic)
Data elements: Date of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: External

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: CA 60-day late · 146dLeak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Aug 19, 2023
→ Notified: Jan 12, 2024
146d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Aug 19, 2023 → Notified: Jan 12, 2024	146d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Massachusetts State AG+86d

Montana State AG+86d

Maine State AG+86d

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-579335
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: 413edbffde0e8a397f95b20a653dc58e9da9047e2e090e3846d00abed223c776

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

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov