Social EngineeringHealthcareTechnologyHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedTargetedIdentity (basic)Government IDFinancial accountHealth (basic)CredentialsAuthenticationMinorHighResolved

Datavant

bd_32af6555038d0f40 · schema v1 · pii pii-v1

Severity

High

Discovered

May 9, 2024

Filed

Dec 6, 2024

To disclose

30 weeks

Affected · nationwide

10,63912 in this filing

Linked

3 filings

Confidence

66%

Full breach record for Datavant →2 incidents on file

Ciox Health LLC d/b/a Datavant Group reported a phishing incident affecting 10,639 individuals, including 12 Maine residents. Unauthorized access occurred May 8-9, 2024, via a compromised user mailbox. Data exposed included SSNs, financial accounts, health info, and credentials. Datavant engaged forensic investigators, reset credentials, and offered 24 months of Kroll credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 9, 2024 → Filed with AG Dec 6, 2024211d ✗ ME AG >90d30 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

+18 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Vermont State AGbd_1e9720ec58563fc92024-12-06Verified
Montana State AGbd_a00e2846daad891e2025-02-11 · +67dVerified

Name: McDermott Will & Emery LLP
norm: mcdermott will emery
Domain: idsb-portal.datavant.com

Name: Datavant
norm: datavant
Domain: idsb-portal.datavant.com
Also named: Ciox Health LLCdba oflegal entity
Datavant Groupdba oftrade name
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: 10,639state + nationwide
Data types: Identity (basic)Government IDFinancial accountHealth (basic)CredentialsAuthenticationMinor
Data elements: Social Security numberMedical information
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: phishing_link

During the incident: Began investigating this incident with the assistance of a respected forensic security provider
Worked with external cybersecurity experts to resolve the phishing attack
Reset affected user passwords and security devices
Updated or implemented a variety of technical security safeguards including reconfiguring its email security settings and updating security software rules
Re-trained its workforce
Sent anti-phishing reminders
Changes made: Re-trained its workforce
Reconfigured email security settings
Updated security software rules
Sent anti-phishing reminders
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(211 days from discovery to filing)
Compliance flags: ME AG >90d · 211dME resident >60d · 211d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 9, 2024
→ Filed with AG: Dec 6, 2024
211d 90 days ME AG >90d
Maine
Discovered: May 9, 2024
→ Notified: Dec 6, 2024
211d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 9, 2024 → Filed with AG: Dec 6, 2024	211d	90 days	ME AG >90d
Maine	Discovered: May 9, 2024 → Notified: Dec 6, 2024	211d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGDec 6 · first

Maine State AGDec 6 · first · this page

Montana State AG+67d

Pattern: first filing Dec 6 (VT), 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/d365022f-465e-42f2-ad5d-f4bd91a13d51.html
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: 4df4477209810ac1c3f1c19f66b8d5378d42fc7592c82c50ce598b72110aa329

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMcDermott Will & Emery LLP

Victim entityDatavant

Incidentdiscovered May 9, 2024

Stated responseBegan investigating this incident with the assistance of a respected forensic security provider

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov