HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedRansom DemandedRansom PaidCustomer Data InvolvedPIIIdentity (basic)Government IDMediumResolved

Horizon Actuarial

bd_d7ae542b7987d6bd · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 12, 2021

Filed

Apr 18, 2022

To disclose

22 weeks

Affected

Not disclosed

Linked

42 filings

Confidence

65%

Full breach record for Horizon Actuarial →10 incidents on file

Horizon Actuarial Services, LLC experienced unauthorized access to two computer servers on November 10-11, 2021. The company received a ransom demand on November 12, 2021, and paid the group to delete stolen data. Personal information, including names and potentially Social Security numbers, of benefit plan participants was exposed. The company notified the FBI and provided identity monitoring services to affected individuals.

J jump to incidentP pin to compareR raw source

California clockDiscovered Nov 12, 2021 → Notified Jan 28, 202277d ✗ CA 60-day late22 weeks discovery → filing

Incident timeline

undetected · 2 days

discovery → filing · 22 weeks / 157 days

Nov 10, 2021

Begins

Nov 12, 2021

Discovered

Apr 18, 2022

Filed

vs. sector median

+4 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 · +22dVerified by operator
New Hampshire State AGbd_3140d98441aff7d22022-05-17 · +29dVerified by operator
California State AGbd_3343e2ff6ac461772022-05-18 · +30dVerified by operator
California State AGbd_0b8a8d1e0b2eb75a2022-05-24 · +36dVerified by operator

Show 6 more filings ↓up to 56d gap

Maine State AGbd_63ec2cad1130c87c2022-05-24 · +36dVerified
Hawaii State AGbd_a9ca9bbf0b626c3f2022-05-24 · +36dVerified by operator
New Hampshire State AGbd_797f45774e6898b62022-05-31 · +43dVerified by operator
Maine State AGbd_23ebf680da220cfe2022-06-09 · +52dVerified by operator
California State AGbd_531852585f7aeb412022-06-09 · +52dVerified by operator
New Hampshire State AGbd_a2e88f733f86ef672022-06-13 · +56dVerified by operator

Showing first 10 of 41 linked disclosures.

Name: Horizon Actuarial Services, LLC
norm: horizon actuarial services

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: Jan 28, 2022
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Provided notice to the FBI

During the incident: Initiated efforts to secure its computer servers
Launched an investigation with the assistance of third-party computer specialists
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 28, 2022
Arranged for 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: 22 weeks(157 days from discovery to filing)
Compliance flags: CA 60-day late · 77d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Nov 12, 2021
→ Notified: Jan 28, 2022
77d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Nov 12, 2021 → Notified: Jan 28, 2022	77d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 4 states

View merged incident ↗

California State AGApr 18 · first · this page

California State AG+22d

New Hampshire State AG+29d

California State AG+30d

California State AG+36d

Maine State AG+36d

Hawaii State AG+36d

New Hampshire State AG+43d

Maine State AG+52d

California State AG+52d

New Hampshire State AG+56d

Pattern: first filing Apr 18 (CA), last Jun 13 (NH) — a 56-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://oag.ca.gov/ecrime/databreach/reports/sb24-552671
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 18, 2022
Raw hash: ae0cb51dfa838b55ecd8942fb3272613eaf37decc727b299afbc5a0948330896

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityHorizon Actuarial Services, LLC

Victim entityHorizon Actuarial

Incidentdiscovered Nov 12, 2021

Stated responseInitiated efforts to secure its computer servers

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov