DisclosureLens
CALIFORNIAMalwareHealthcareHealthcareRansomwareBusiness Associate (HIPAA)Customer Data InvolvedData EncryptedPHIHealth (basic)Identity (basic)HighContained

SUTTER HEALTH

bd_af3fc728ff443e64 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Nov 3, 2023

To disclose

—

Affected

845,441

Linked

2 filings

Confidence

68%
Full breach record for SUTTER HEALTH →3 incidents on file

Sutter Health reported to HHS on 2023-11-03 a Hacking/IT Incident affecting 845,441 individuals. Breached information located on Network Server. A business associate experienced a malware attack affecting PHI including names, addresses, DOB, and diagnoses. CE provided credit monitoring and implemented safeguards.

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

Nov 3, 2023

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 2 filings about the same incident.View merged incident
Part of Welltok supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
California State AGNov 3 · first
HHS OCRNov 3 · first · this page

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.