HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)CriticalContained

Horizon Actuarial

bd_5c05f2edbfa8a93f · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jan 13, 2022

Filed

Mar 22, 2022

To disclose

10 weeks

Affected · nationwide

194,195102 in this filing

Linked

42 filings

Confidence

66%

Full breach record for Horizon Actuarial →10 incidents on file

Horizon Actuarial Services, LLC reported an external system breach (hacking) occurring between November 10 and 17, 2021, discovered on January 13, 2022. The incident compromised the names and Social Security Numbers of 194,195 individuals, including 102 Maine residents. The company notified affected individuals in writing on March 22, 2022, and provided 12 months of identity theft protection services through Kroll, LLC.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jan 13, 2022 → Filed with AG Mar 22, 202268d ⏱ ME AG >30d10 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 64 days

discovery → filing · 10 weeks / 68 days

Nov 10, 2021

Begins

Jan 13, 2022

Discovered

Mar 22, 2022

Filed

vs. sector median

8 wks faster

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 · +49dVerified by operator
New Hampshire State AGbd_3140d98441aff7d22022-05-17 · +56dVerified by operator
California State AGbd_3343e2ff6ac461772022-05-18 · +57dVerified by operator
California State AGbd_0b8a8d1e0b2eb75a2022-05-24 · +63dVerified by operator

Show 6 more filings ↓up to 83d gap

Maine State AGbd_63ec2cad1130c87c2022-05-24 · +63dVerified
Hawaii State AGbd_a9ca9bbf0b626c3f2022-05-24 · +63dVerified by operator
New Hampshire State AGbd_797f45774e6898b62022-05-31 · +70dVerified by operator
Maine State AGbd_23ebf680da220cfe2022-06-09 · +79dVerified by operator
California State AGbd_531852585f7aeb412022-06-09 · +79dVerified by operator
New Hampshire State AGbd_a2e88f733f86ef672022-06-13 · +83dVerified 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: Jan 13, 2022
Breach occurred: Nov 10, 2021 – Nov 17, 2021
Undetected for: 64 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 22, 2022
Affected individuals: 194,195state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of identity theft protection services through Kroll, LLC
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 days from discovery to filing)
Compliance flags: ME AG >30d · 68d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jan 13, 2022
→ Filed with AG: Mar 22, 2022
68d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jan 13, 2022 → Filed with AG: Mar 22, 2022	68d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 4 states

View merged incident ↗

Maine State AGMar 22 · first · this page

California State AG+49d

New Hampshire State AG+56d

California State AG+57d

California State AG+63d

Maine State AG+63d

Hawaii State AG+63d

New Hampshire State AG+70d

Maine State AG+79d

California State AG+79d

New Hampshire State AG+83d

Pattern: first filing Mar 22 (ME), last Jun 13 (NH) — a 83-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/1df8c637-7580-4be2-8bdc-304eb789125d.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 22, 2022
Raw hash: c97660ac08ff30c27987e2bebcb7a62e897a433bb41577af6f5b1fc8632d69a6

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityHorizon Actuarial

Victim entityHorizon Actuarial

Incidentdiscovered Jan 13, 2022

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov