HackingTechnologyFinancial ServicesInformationStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

illumifin

bd_45251292f85141d1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 4, 2025

Filed

Apr 22, 2026

To disclose

24 weeks

Affected

37state residents only

Linked

12 filings

Confidence

67%

Full breach record for illumifin →

illumifin Corporation, an insurance technology company, filed a supplemental notification with the New Hampshire Attorney General regarding a security incident discovered on November 4, 2025. An unauthorized individual accessed the network and exfiltrated files containing customer PII, including SSNs, driver's license numbers, financial account numbers, and medical/health insurance information. The breach affected 37 New Hampshire residents. illumifin engaged forensic investigators, notified law enforcement, and provided credit monitoring services to affected individuals. Notification letters were mailed starting March 31, 2026.

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Incident timeline

discovery → filing · 24 weeks / 169 days

Nov 4, 2025

Discovered

Apr 22, 2026

Filed

vs. sector median

+5 wks slower

This filing is one of 12 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Oregon State AGbd_c525393ebdb287142026-04-22Verified
South Carolina State AGbd_e3b9b22227324eae2026-04-07 · +15dVerified
Texas State AGbd_89959561b8e6cb302026-04-02 · +20dVerified
Massachusetts State AGbd_13235aa3216392ba2026-03-31 · +22dVerified

Show 6 more filings ↓up to 43d gap

Montana State AGbd_4834a8e85a0c3a7b2026-03-31 · +22dVerified
California State AGbd_4f85d73db2552a712026-03-31 · +22dVerified
Indiana State AGbd_61ed61057416aef12026-03-31 · +22dVerified
New Hampshire State AGbd_6bd728330d6299662026-03-31 · +22dVerified
Nebraska State AGbd_4fe7e34d290fb03a2026-03-13 · +40dVerified
HHS OCRbd_302d552bb1288e6f2026-03-10 · +43dVerified

Showing first 10 of 11 linked disclosures.

Name: illumifin
Domain: illumifin.com

Name: illumifin
Domain: illumifin.com
Industry: TechnologyllmFinancial Servicesllm

Discovered: Nov 4, 2025
Materiality determined: —
Notification sent: Mar 31, 2026
Affected individuals: 37state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Supplemental Incident Notification to New Hampshire Attorney General
Initial access: exploit_public_facing

During the incident: Implemented its incident response protocols
Taking steps to contain the activity
Launching an investigation with assistance from a third-party forensic firm
Notified law enforcement
Conducted a comprehensive, multi-phase review and analysis of the files
Informing applicable data owners (i.e., its insurance carrier-clients)
Began mailing notification letters via First-Class mail
Offering individuals with involved Social Security or driver’s license numbers a complimentary membership to credit monitoring and identity protection services
Established a dedicated, toll-free call center
Changes made: Implemented, and will continue to adopt, additional safeguards to further protect and monitor its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(169 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 10 states

View merged incident ↗

HHS OCRMar 10 · first

Nebraska State AG+3d

Massachusetts State AG+21d

Montana State AG+21d

California State AG+21d

Indiana State AG+21d

New Hampshire State AG+21d

Texas State AG+23d

South Carolina State AG+28d

Oregon State AG+43d

New Hampshire State AG+43d · this page

Pattern: first filing Mar 10 (MN), last Apr 22 (NH) — a 43-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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://mm.nh.gov/files/uploads/doj/remote-docs/illumifin-20260422.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 22, 2026
Raw hash: db3cc1b1c4e83d0b205a10650a5c033a1c9c9c64349e35dd0af94861d59e2693

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityillumifin

Victim entityillumifin

Incidentdiscovered Nov 4, 2025

Stated responseImplemented its incident response protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov