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

Petaluma Health Center

bd_79efc5514452341c · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Jun 2, 2023

To disclose

—

Affected

124,862

Linked

10 records

Confidence

68%

Full breach record for Petaluma Health Center →2 incidents on file

Petaluma Health Center reported to HHS on 2023-06-02 a Hacking/IT Incident affecting 124862 individuals. Breached information located on Network Server. The incident involved a ransomware attack compromising PHI including names, DOBs, addresses, SSNs, and treatment info.

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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

Jun 2, 2023

Filed

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

This filing is one of 10 records about the same incident.View merged incident

A leak claim by karakurt about this victim was first seen 51 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitekarakurtbd_0ffdbcef2ecd77f12023-04-12 · +50dVerified by operator

Regulatory filings (8) · sorted by filing gap

California State AGbd_7327f7af51c2e39f2023-06-02Verified
Oregon State AGbd_a1ea4f5d3b6c44e82023-06-02Verified
Montana State AGbd_6c47d4d37e101db42023-06-01 · +1dVerified
Massachusetts State AGbd_8ab10097ba8d295e2023-06-05 · +3dVerified

Show 4 more filings ↓up to 39d gap

Maine State AGbd_b5c781e6b089596b2023-04-28 · +35dVerified
California State AGbd_bdc46d25c14edb8f2023-04-28 · +35dVerified
Montana State AGbd_c33ded56f74f4a622023-04-28 · +35dVerified
Indiana State AGbd_6c999b9ec6ec853f2023-04-24 · +39dCandidate

Name: Petaluma Health Center
norm: petaluma health center
Industry: Health Care Services

Name: Petaluma Health Center
norm: petaluma health center
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 124,862nationwide
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: OCR provided technical assistance regarding the HIPAA Rules

During the incident: Notified HHS
Notified affected individuals
Notified the media
Posted substitute notice to its website
Changes made: Implemented additional administrative and technical safeguards to better protect its PHI
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 · 9 filings · 6 states

View merged incident ↗

Indiana State AGApr 24 · first

Maine State AG+4d

California State AG+4d

Montana State AG+4d

Montana State AG+38d

California State AG+39d

Oregon State AG+39d

HHS OCR+39d · this page

Massachusetts State AG+42d

Pattern: first filing Apr 24 (IN), last Jun 5 (MA) — a 42-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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: Jun 2, 2023
Raw hash: d123054668bb2bbcbbe3782bbed88b052eb8a38dd50c38d4ae1b2f0cba1c8ac5

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

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Reporting entityPetaluma Health Center

Victim entityPetaluma Health Center

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing