HackingHealthcareHealthcareDelayed DiscoveryIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

CEI VISION PARTNERS, LLC

bd_93c520708e4c714d · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 26, 2024

Filed

Aug 12, 2025

To disclose

15 months

Affected

Not disclosed

Linked

4 filings

Confidence

66%

Full breach record for CEI VISION PARTNERS, LLC →2 incidents on file

CEI Vision Partners, LLC notified consumers of a data breach where an unauthorized third party accessed computer systems between May 24-27, 2024. The incident exposed names, contact info, DOB, SSNs, financial account info, and limited clinical/health plan data. CEI engaged forensic investigators, secured the network, and offered one year of Experian IdentityWorks credit monitoring.

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Vermont clock✗ VT AG >45 bday15 months 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 · 2 days

discovery → filing · 15 months / 443 days

May 24, 2024

Begins

May 26, 2024

Discovered

Aug 12, 2025

Filed

vs. sector median

+51 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Nebraska State AGbd_45ae493b9a78c0082025-08-12Verified
Massachusetts State AGbd_1437855e748264af2025-08-14 · +2dVerified
Montana State AGbd_b0c5f247fa461a782025-08-08 · +4dCandidate

Name: CEI VISION PARTNERS, LLC
norm: cei vision

Name: CEI VISION PARTNERS, LLC
norm: cei vision
Industry: Healthcarellm

Discovered: May 26, 2024
Breach occurred: May 24, 2024 – May 27, 2024
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 12, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Secured the network from further unauthorized access
Engaged a forensic security firm to further investigate and confirm the security of our computer systems
Undertaken a thorough review of the relevant records
Offering a complimentary one-year membership of Experian IdentityWorksSM Credit 3B
Changes made: Enhancing our technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 months(443 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 · 4 filings · 4 states

View merged incident ↗

Montana State AGAug 8 · first

Nebraska State AG+4d

Vermont State AG+4d · this page

Massachusetts State AG+6d

Pattern: first filing Aug 8 (MT), last Aug 14 (MA) — a 6-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/2025-08-12-cei-vision-partners-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 12, 2025
Raw hash: da816bc5f03df821b526f5149e8533bf9ceda8c48b9a655b1413b34c27766102

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCEI VISION PARTNERS, LLC

Victim entityCEI VISION PARTNERS, LLC

Incidentdiscovered May 26, 2024

Stated responseSecured the network from further unauthorized access

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov