HackingProfessional ServicesFinancial ServicesProfessional ServicesVulnerability ExploitStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)PIILowContained

Milliman Solutions LLC

bd_a000c0cf3a8e0660 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Jul 17, 2023

To disclose

—

Affected

Not disclosed

Linked

9 filings

Confidence

66%

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

Pension Benefit Information, LLC (PBI), a provider of audit and address research services for insurance companies and pension funds, experienced a data breach via a vulnerability in Progress Software's MOVEit Transfer software. An unauthorized third party accessed PBI's MOVEit server on May 29-30, 2023, and downloaded data containing consumer information. PBI discovered the vulnerability on May 31, 2023, when Progress Software disclosed it. PBI patched servers, investigated the scope, and is offering 12 months of identity monitoring through Kroll to affected individuals. The incident is contained.

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Incident timeline

May 29, 2023

Begins

Jul 17, 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_24ccb026f721af632023-07-17Candidate
Indiana State AGbd_3919dcb3a8e2950b2023-07-17Verified
Montana State AGbd_3b1222619a7fe87f2023-07-17Verified
Massachusetts State AGbd_5359527b1010b4882023-07-17Verified

Show 4 more filings ↓up to 5d gap

Washington State AGbd_7d137035535ea7be2023-07-17Verified
Maine State AGbd_8674a4bac38b2e612023-07-17Verified
Delaware State AGbd_eb47f1a922c8d8dd2023-07-17Verified
South Carolina State AGbd_0c482650746f6b032023-07-22 · +5dVerified

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

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

Discovered: —
Breach occurred: May 29, 2023 – May 30, 2023
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)PII
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 ChannelT1195 Supply Chain Compromise
Threat actor: External
Third party: via Progress Software
Initial access: supply_chain

During the incident: Patched servers
Investigated and assessed the security of our systems
Notified potentially affected customers and individuals associated with those customers
Offering 12 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: — (clock not assessable for this source)

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

Delaware State AGJul 17 · first

California State AGJul 17 · first · this page

South Carolina State AG+5d

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://oag.ca.gov/ecrime/databreach/reports/sb24-570417
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 17, 2023
Raw hash: e063c9b5a4976b872dcc008b1f9860c57de7ba4822c6c809283f876727aefc2c

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityMilliman Solutions LLC

Victim entityMilliman Solutions LLC

IncidentThird-Party / Supply Chain

Stated responsePatched servers

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov