DisclosureLens
HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDCritical

Singing River Health System

bd_d7af4795af594277 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Dec 18, 2023

Filed

Jan 12, 2024

To disclose

25 days

Affected · nationwide

252,89038 in this filing

Linked

12 filings

Confidence

65%
Full breach record for Singing River Health System3 incidents on file

Singing River Health System and its subsidiary, Singing River Gulfport, reported a data breach affecting 252,890 individuals. The incident, an external system breach, occurred on August 19, 2023, and was discovered on December 18, 2023. The compromised information includes names and Social Security numbers. Affected individuals were notified starting on October 18, 2023, and offered 12 months of identity protection services through IDX.

Leak gap clock Leak >90d25 days discovery → filing
AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 121 days
discovery → filing · 25 days

Aug 19, 2023

Begins

Dec 18, 2023

Discovered

Jan 12, 2024

Filed

vs. sector median

7 wks faster

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

Show 6 more filingsup to 122d gap

Showing first 10 of 11 linked disclosures.

Filing propagation · 11 filings · 8 states

View merged incident ↗

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.