HackingTechnologyFinancial ServicesInformationStolen CredentialsRansom DemandedRansom PaidData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDFinancial accountHealth (basic)HighContained

Horizon Actuarial

bd_ff25b9191ff88ab5 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 12, 2021

Filed

Apr 11, 2022

To disclose

21 weeks

Affected

6,645state residents only

Linked

42 filings

Confidence

66%

Full breach record for Horizon Actuarial →10 incidents on file

Horizon Actuarial Services, LLC reported a data breach affecting 6,645 Idaho residents. Unauthorized access occurred on Nov 10-11, 2021, via stolen credentials or exploited vulnerabilities. Stolen data included names, SSNs, DOBs, and bank account numbers. The company paid a ransom to the threat actor, notified the FBI, and provided 12 months of Kroll identity monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 2 days

discovery → filing · 21 weeks / 150 days

Nov 10, 2021

Begins

Nov 12, 2021

Discovered

Apr 11, 2022

Filed

vs. sector median

+3 wks slower

This filing is one of 42 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

California State AGbd_15610822e41f867e2022-05-10 · +29dVerified by operator
New Hampshire State AGbd_3140d98441aff7d22022-05-17 · +36dVerified by operator
California State AGbd_3343e2ff6ac461772022-05-18 · +37dVerified by operator
California State AGbd_0b8a8d1e0b2eb75a2022-05-24 · +43dVerified by operator

Show 6 more filings ↓up to 63d gap

Maine State AGbd_63ec2cad1130c87c2022-05-24 · +43dVerified
Hawaii State AGbd_a9ca9bbf0b626c3f2022-05-24 · +43dVerified by operator
New Hampshire State AGbd_797f45774e6898b62022-05-31 · +50dVerified by operator
Maine State AGbd_23ebf680da220cfe2022-06-09 · +59dVerified by operator
California State AGbd_531852585f7aeb412022-06-09 · +59dVerified by operator
New Hampshire State AGbd_a2e88f733f86ef672022-06-13 · +63dVerified by operator

Showing first 10 of 41 linked disclosures.

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Horizon Actuarial
norm: horizon actuarial
Domain: horizonactuarial.com
Industry: TechnologyllmFinancial Servicesllm

Discovered: Nov 12, 2021
Breach occurred: Nov 10, 2021 – Nov 11, 2021
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 13, 2022
Affected individuals: 6,645state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: provided notice to the FBIsubmitted supplemental notice of data event to Idaho Attorney General
Initial access: exploit_public_facing

During the incident: Initiated efforts to secure its computer servers
With the assistance of third-party computer specialists, launched an investigation into the legitimacy of the claims in the email
Provided notice to the FBI
Negotiated with and paid the group in exchange for an agreement that they would delete and not distribute or otherwise misuse the stolen information
Provided notice of the event to the Fund beginning on January 13, 2022
Began mailing letters to individuals associated with benefit plans that authorized them to do so
Arranged for you to activate, at no cost to you, identity monitoring services for 12 months provided by Kroll
Changes made: Reviewing its existing security policies
Implemented additional measures to further protect against similar incidents moving forward
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(150 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 · 5 states

View merged incident ↗

Idaho State AGApr 11 · first · this page

California State AG+29d

New Hampshire State AG+36d

California State AG+37d

California State AG+43d

Maine State AG+43d

Hawaii State AG+43d

New Hampshire State AG+50d

Maine State AG+59d

California State AG+59d

New Hampshire State AG+63d

Pattern: first filing Apr 11 (ID), last Jun 13 (NH) — a 63-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 41 — 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://ag.idaho.gov/content/uploads/2022/04/04-11-2022-Horizon-Actuarial-Services-LLC.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 11, 2022
Raw hash: f34d88a3f3c60af9d9662d443affc8c73131c257bf73621e0fdad9e54747dcd9

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityHorizon Actuarial

Incidentdiscovered Nov 12, 2021

Stated responseInitiated efforts to secure its computer servers

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceag.idaho.gov