Social EngineeringHealthcareTechnologyHealthcarePhishingCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Datavant

bd_1e9720ec58563fc9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 9, 2024

Filed

Dec 6, 2024

To disclose

30 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

66%

Full breach record for Datavant →2 incidents on file

Datavant (dba Ciox Health) notified consumers of a phishing attack on May 8-9, 2024 that compromised a single user's mailbox. Impacted data included names, addresses, financial account info, government IDs, and health information. Datavant engaged forensic experts, secured systems, and provided 2 years of Kroll identity monitoring services.

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Vermont clock✗ VT AG >45 bday30 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 1 days

discovery → filing · 30 weeks / 211 days

May 8, 2024

Begins

May 9, 2024

Discovered

Dec 6, 2024

Filed

vs. sector median

+21 wks slower

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_32af6555038d0f402024-12-06Candidate
Montana State AGbd_a00e2846daad891e2025-02-11 · +67dVerified

Name: Ciox Health
norm: ciox health

Name: Datavant
norm: datavant
Domain: idsb-portal.datavant.com
Industry: HealthcarellmTechnologyllm

Discovered: May 9, 2024
Breach occurred: May 8, 2024 – May 9, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Dec 6, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Medical information
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Worked with external cybersecurity experts to resolve the phishing attack
Implemented or updated a variety of technical security safeguards
Retained Kroll to provide identity monitoring services
Trains employees on phishing awareness
Changes made: Implemented or updated a variety of technical security safeguards
Trains employees on phishing awareness
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(211 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maine State AGDec 6 · first

Vermont State AGDec 6 · first · this page

Montana State AG+67d

Pattern: first filing Dec 6 (ME), last Feb 11 (MT) — a 67-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://ago.vermont.gov/document/2024-12-06-ciox-health-dba-datavant-group-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 6, 2024
Raw hash: 6b1d41a8faf99a53a4f49b14319ec4dccceaf49a2f14dec285be326eacc5ca10

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCiox Health

Victim entityDatavant

Incidentdiscovered May 9, 2024

Stated responseWorked with external cybersecurity experts to resolve the phishing attack

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov