HackingProfessional ServicesProfessional ServicesStolen CredentialsRansom PaidData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Horizon Actuarial

bd_424ca7c6ffab2a27 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 12, 2021

Filed

Mar 29, 2022

To disclose

20 weeks

Affected

67state residents only

Linked

42 filings

Confidence

66%

Full breach record for Horizon Actuarial →10 incidents on file

Horizon Actuarial Services, LLC experienced unauthorized access to two servers on Nov 10-11, 2021. The company received a ransom demand on Nov 12, 2021, and paid the group to delete stolen data. Investigation confirmed exfiltration of PII (SSN, DOB, name, address) and financial/health data for benefit plan participants. This supplemental notice adds 28 NH residents to the initial 39, totaling 67 affected NH residents. Notices began mailing March 22, 2022.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 2 days

discovery → filing · 20 weeks / 137 days

Nov 10, 2021

Begins

Nov 12, 2021

Discovered

Mar 29, 2022

Filed

vs. sector median

on median

This filing is one of 42 filings 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 · +42dVerified by operator
New Hampshire State AGbd_3140d98441aff7d22022-05-17 · +49dVerified by operator
California State AGbd_3343e2ff6ac461772022-05-18 · +50dVerified by operator
California State AGbd_0b8a8d1e0b2eb75a2022-05-24 · +56dVerified by operator

Show 6 more filings ↓up to 76d gap

Maine State AGbd_63ec2cad1130c87c2022-05-24 · +56dVerified
Hawaii State AGbd_a9ca9bbf0b626c3f2022-05-24 · +56dVerified by operator
New Hampshire State AGbd_797f45774e6898b62022-05-31 · +63dVerified by operator
Maine State AGbd_23ebf680da220cfe2022-06-09 · +72dVerified by operator
California State AGbd_531852585f7aeb412022-06-09 · +72dVerified by operator
New Hampshire State AGbd_a2e88f733f86ef672022-06-13 · +76dVerified by operator

Showing first 10 of 41 linked disclosures.

Name: Horizon Actuarial
norm: horizon actuarial
Domain: horizonactuarial.com

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

Discovered: Nov 12, 2021
Breach occurred: Nov 10, 2021 – Nov 11, 2021
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 22, 2022
Affected individuals: 67state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified the FBISubmitted notice to the Office of the New Hampshire Attorney General

During the incident: Initiated efforts to secure its computer system
Launched an investigation with the assistance of third-party computer specialists
Notified 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
Providing access to credit monitoring services and identity theft and fraud support services for 12 months, through Kroll, LLC
Changes made: Evaluating and implementing additional safeguards
Providing additional training for its employees
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: 20 weeks(137 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 · 4 states

View merged incident ↗

New Hampshire State AGMar 29 · first · this page

California State AG+42d

New Hampshire State AG+49d

California State AG+50d

California State AG+56d

Maine State AG+56d

Hawaii State AG+56d

New Hampshire State AG+63d

Maine State AG+72d

California State AG+72d

New Hampshire State AG+76d

Pattern: first filing Mar 29 (NH), last Jun 13 (NH) — a 76-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://mm.nh.gov/files/uploads/doj/remote-docs/horizon-actuarial-services-20220329.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 29, 2022
Raw hash: 1dfcf994238f0140efecb3b5c28ad59bdc21945bc83b0e29c6ef448af74e9c86

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityHorizon Actuarial

Victim entityHorizon Actuarial

Incidentdiscovered Nov 12, 2021

Stated responseInitiated efforts to secure its computer system

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov