HackingProfessional ServicesProfessional ServicesVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedPIIIdentity (basic)Government IDHighContained

Pension Benefit Information, LLC

bd_3b1222619a7fe87f · schema v1 · pii pii-v1

Severity

High

Discovered

May 31, 2023

Filed

Jul 17, 2023

To disclose

7 weeks

Affected

1,273state residents only

Linked

6 filings

Confidence

65%

Pension Benefit Information, LLC notified Montana residents of a MOVEit Transfer vulnerability exploited by a third party on May 29-30, 2023. The incident involved unauthorized access and data download. PBI patched servers, investigated, and offered 12 months of identity monitoring. Data types included PII and government IDs. No identity theft confirmed.

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Incident timeline

undetected · 2 days

discovery → filing · 7 weeks / 47 days

May 29, 2023

Begins

May 31, 2023

Discovered

Jul 17, 2023

Filed

vs. sector median

12 wks faster

This filing is one of 6 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 (5) · sorted by filing gap

Oregon State AGbd_24ccb026f721af632023-07-17Candidate
Indiana State AGbd_3919dcb3a8e2950b2023-07-17Verified
Massachusetts State AGbd_5359527b1010b4882023-07-17Verified
Washington State AGbd_7d137035535ea7be2023-07-17Verified

Show 1 more filing ↓

Maine State AGbd_8674a4bac38b2e612023-07-17Verified

Name: Pension Benefit Information, LLC
norm: pension benefit information
Domain: milliman.com

Name: Pension Benefit Information, LLC
norm: pension benefit information
Domain: milliman.com
Industry: Professional Servicesllm

Discovered: May 31, 2023
Breach occurred: May 29, 2023 – May 30, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 16, 2023
Affected individuals: 1,273state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via Progress Software
Initial access: exploit_public_facing

During the incident: Patch servers
Investigate
Assess the security of our systems
Notify potentially affected customers and individuals
Reviewing and enhancing our information security policies and procedures
Offering you access to 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.

Time to disclose: 7 weeks(47 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Oregon State AGJul 17 · first

Indiana State AGJul 17 · first

Massachusetts State AGJul 17 · first

Washington State AGJul 17 · first

Maine State AGJul 17 · first

Montana State AGJul 17 · first · this page

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-440.pdf
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: 34d18ea8a5603fe91263aa435ba1ae7ea46dbc080463c6fcbbfd2640b5ae7da9

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityPension Benefit Information, LLC

Victim entityPension Benefit Information, LLC

Incidentdiscovered May 31, 2023

Stated responsePatch servers

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov