HackingProfessional ServicesProfessional ServicesVulnerability ExploitData ExfiltratedTargetedIdentity (basic)Government IDHighContained

Milliman Solutions LLC

bd_0c482650746f6b03 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Jul 22, 2023

To disclose

—

Affected

45,938state residents only

Linked

9 filings

Confidence

62%

Full breach record for Milliman Solutions LLC →2 incidents on file

Pension Benefit Information, LLC notified South Carolina residents of a third-party software vulnerability in MOVEit Transfer exploited by an unauthorized third party. Access occurred May 29-30, 2023. Data involved: name, address, DOB, SSN. PBI patched servers, investigated, and offered 24 months of identity monitoring.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

May 29, 2023

Begins

Jul 22, 2023

Filed

This filing is one of 9 filings about the same incident.View merged incident

Part of Pension Benefit Information, LLC supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Oregon State AGbd_24ccb026f721af632023-07-17 · +5dCandidate
Indiana State AGbd_3919dcb3a8e2950b2023-07-17 · +5dVerified
Montana State AGbd_3b1222619a7fe87f2023-07-17 · +5dVerified
Massachusetts State AGbd_5359527b1010b4882023-07-17 · +5dVerified

Show 4 more filings ↓up to 5d gap

Washington State AGbd_7d137035535ea7be2023-07-17 · +5dVerified
Maine State AGbd_8674a4bac38b2e612023-07-17 · +5dVerified
California State AGbd_a000c0cf3a8e06602023-07-17 · +5dVerified
Delaware State AGbd_eb47f1a922c8d8dd2023-07-17 · +5dVerified

Name: Milliman Solutions LLC
norm: milliman solutions
Domain: milliman.com

Name: Milliman Solutions LLC
norm: milliman solutions
Domain: milliman.com
Industry: Professional Servicesllm

Discovered: —
Breach occurred: May 29, 2023 – May 30, 2023
Materiality determined: —
Notification sent: Jul 17, 2023
Affected individuals: 45,938state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Patch servers
Investigate
Assess the security of our systems
Notify potentially affected customers and individuals
Offering you access to 24 months of complimentary identity monitoring services through Kroll
Changes made: Reviewing and enhancing our information security policies and procedures
Source: Quoted from the filing itself, not independently verified.

Compliance flags: SC CRA notice due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 9 states

View merged incident ↗

Oregon State AGJul 17 · first

Indiana State AGJul 17 · first

Montana State AGJul 17 · first

Massachusetts State AGJul 17 · first

Washington State AGJul 17 · first

Maine State AGJul 17 · first

California State AGJul 17 · first

Delaware State AGJul 17 · first

South Carolina State AG+5d · this page

Pattern: first filing Jul 17 (OR), last Jul 22 (SC) — a 5-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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/MillimanSolutionsLLC.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 22, 2023
Raw hash: 2f8491affc365f1c95da97d381d95e7bf04d67fc58c1e49e9baadb4424f950a5

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityMilliman Solutions LLC

Victim entityMilliman Solutions LLC

IncidentThird-Party / Supply Chain

Stated responsePatch servers

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov