CALIFORNIAMalwareHealthcareHealthcareRansomwareBusiness Associate (HIPAA)Customer Data InvolvedData EncryptedData ExfiltratedRansom DemandedIdentity (basic)Government IDHealth (basic)HighContained

Signature Healthcare Services

bd_6afee2b7124ccb63 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Apr 27, 2024

To disclose

—

Affected

14,696

Confidence

98%

Full breach record for Signature Healthcare Services →3 incidents on file

Signature Healthcare Services LLC (a Business Associate, CA) reported to HHS on 2024-04-27 a ransomware incident affecting 14,696 individuals. PHI on a network server was compromised, including names, dates of birth, Social Security numbers, medical record numbers, services received, dates of services, and treating physicians. The BA notified HHS, affected individuals, and the media, posted substitute notice, offered free credit monitoring, and implemented additional administrative and technical safeguards.

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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

Apr 27, 2024

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed14,696 affectedView incident

Name: Signature Healthcare Services
norm: signature healthcare
Domain: signaturehc.com
Industry: Business Associate

Name: Signature Healthcare Services
norm: signature healthcare
Domain: signaturehc.com
Industry: Business Associate
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 14,696nationwide
Data types: Identity (basic)Government IDHealth (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Business associate
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: HHS OCR notification

During the incident: Notified HHS
Notified affected individuals
Notified media
Posted substitute notice
Offered free credit monitoring to affected individuals
Changes made: Implemented additional administrative safeguards
Implemented additional technical safeguards
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS 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.

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: Apr 27, 2024
Raw hash: bba74c127eb85aa222d441d2050b861c4e132d105176bbc44ce0a5443ea11e5a

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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Reporting entitySignature Healthcare Services

Victim entitySignature Healthcare Services

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing