MalwareHealthcareHealthcareRansomwareData EncryptedRansom DemandedSupply Chain (3P Vendor)Customer Data InvolvedPHIHealth (basic)Government IDIdentity (basic)MediumContained

Center for Orthopaedic Specialists

bd_1884c9e76ff496c9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 19, 2018

To disclose

—

Affected

Not disclosed

Linked

2 filings

Confidence

66%

Full breach record for Center for Orthopaedic Specialists →

Center for Orthopaedic Specialists (COS) experienced a ransomware attack via a third-party IT vendor between Feb 18 and Mar 4, 2018. Malicious software encrypted patient data including names, DOBs, medical records, and SSNs. COS states no data was removed/exfiltrated. The affected system was taken offline. Federal law enforcement was notified. Patients are offered 24 months of identity theft protection.

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Incident timeline

Feb 18, 2018

Begins

Apr 19, 2018

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_2f486e4ca1cf8f572018-04-18 · +1dVerified

Name: Center for Orthopaedic Specialists
norm: center for orthopaedic specialists
Domain: cosortho.com

Name: Center for Orthopaedic Specialists
norm: center for orthopaedic specialists
Domain: cosortho.com
Industry: Healthcarellm

Discovered: —
Breach occurred: Feb 18, 2018 – Mar 4, 2018
Materiality determined: —
Notification sent: Apr 18, 2018
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Government IDIdentity (basic)
Data elements: Date of birthMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement officials
Third party: via IT vendor
Initial access: supply_chain

During the incident: Notified federal law enforcement officials
Worked with third-party technology vendor to address the issue
Affected system was taken offline permanently
Offering identity theft protection services through ID Experts
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

HHS OCRApr 18 · first

California State AG+1d · 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.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-135457
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 19, 2018
Raw hash: c5febd9846edc951e3e65fc9513ca3f4cd69b4cf84b557d685faca002ef95f61

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityCenter for Orthopaedic Specialists

Victim entityCenter for Orthopaedic Specialists

IncidentRansomware

Stated responseNotified federal law enforcement officials

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov