HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)CriticalContained

Horizon Actuarial

bd_63ec2cad1130c87c · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jan 13, 2022

Filed

May 24, 2022

To disclose

19 weeks

Affected · nationwide

2,302,4413,309 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 names and Social Security Numbers of approximately 2.3 million individuals, including 3,309 Maine residents. The company provided written notification and offered 12 months of identity theft protection services via Kroll, LLC.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jan 13, 2022 → Filed with AG May 24, 2022131d ✗ ME AG >90d19 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 · 19 weeks / 131 days

Nov 10, 2021

Begins

Jan 13, 2022

Discovered

May 24, 2022

Filed

vs. sector median

+1 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_0b8a8d1e0b2eb75a2022-05-24Verified by operator
Hawaii State AGbd_a9ca9bbf0b626c3f2022-05-24Verified by operator
California State AGbd_3343e2ff6ac461772022-05-18 · +6dVerified by operator
New Hampshire State AGbd_797f45774e6898b62022-05-31 · +7dVerified by operator

Show 6 more filings ↓up to 20d gap

New Hampshire State AGbd_3140d98441aff7d22022-05-17 · +7dVerified by operator
California State AGbd_15610822e41f867e2022-05-10 · +14dVerified by operator
Maine State AGbd_68e3218b8c9d431d2022-05-10 · +14dVerified
Maine State AGbd_23ebf680da220cfe2022-06-09 · +16dVerified by operator
California State AGbd_531852585f7aeb412022-06-09 · +16dVerified by operator
New Hampshire State AGbd_a2e88f733f86ef672022-06-13 · +20dVerified 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: May 24, 2022
Affected individuals: 2,302,441state + 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: 19 weeks(131 days from discovery to filing)
Compliance flags: ME AG >90d · 131dME resident >60d · 131dME CRA notice due
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: May 24, 2022
131d 90 days ME AG >90d
Maine
Discovered: Jan 13, 2022
→ Notified: May 24, 2022
131d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jan 13, 2022 → Filed with AG: May 24, 2022	131d	90 days	ME AG >90d
Maine	Discovered: Jan 13, 2022 → Notified: May 24, 2022	131d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 4 states

View merged incident ↗

California State AGMay 10 · first

Maine State AGMay 10 · first

New Hampshire State AG+7d

California State AG+8d

California State AG+14d

Hawaii State AG+14d

Maine State AG+14d · this page

New Hampshire State AG+21d

Maine State AG+30d

California State AG+30d

New Hampshire State AG+34d

Pattern: first filing May 10 (CA), last Jun 13 (NH) — a 34-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-a1252b4f8318/226be440-30c9-4880-b7a2-9bf10c0b9320.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 24, 2022
Raw hash: 1a34d6a444fd0484c81c012bb5bfc3489671dfce3aaa4c055fac46c174fe9274

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 >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov