MalwareFinancial ServicesTechnologyFinanceRansomwareRansom DemandedRansom PaidData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumResolved

Horizon Actuarial Services, LLC

bd_ce3418edb1ca0e7a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 12, 2021

Filed

Mar 22, 2022

To disclose

19 weeks

Affected

10state residents only

Linked

5 filings

Confidence

65%

Horizon Actuarial Services, LLC notified the New York Teamsters Conference Pension and Retirement Fund of a data breach where unauthorized access occurred on Nov 10-11, 2021. The attacker demanded and was paid a ransom. PII including names, SSNs, and DOBs were impacted. Notices were mailed starting Jan 13, 2022, offering credit monitoring.

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Incident timeline

undetected · 2 days

discovery → filing · 19 weeks / 130 days

Nov 10, 2021

Begins

Nov 12, 2021

Discovered

Mar 22, 2022

Filed

vs. sector median

+10 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_1b4e0e7f231535592022-03-22Verified
New Hampshire State AGbd_57e4879b692c8a622022-03-22Verified
Massachusetts State AGbd_a7a4ceea4b9389632022-03-22Verified
Maine State AGbd_6e59472253d6247d2022-02-28 · +22dCandidate

Name: The New York Teamsters Conference Pension and Retirement Fund
norm: the new york teamsters conference pension and retirement

Name: Horizon Actuarial Services, LLC
norm: horizon actuarial services
Industry: Financial ServicesllmTechnologyllm

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: 10state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Provided notice to the FBI
Initial access: valid_credentials

During the incident: Initiated efforts to secure its computer servers
Launched an investigation into the legitimacy of the claims in the email 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
Began mailing letters to individuals associated with benefit plans that authorized them to do so
Arranged for identity monitoring services for 12/24 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: 19 weeks(130 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Maine State AGFeb 28 · first

Indiana State AG+22d

New Hampshire State AG+22d

Massachusetts State AG+22d

Montana State AG+22d · this page

Pattern: first filing Feb 28 (ME), last Mar 22 (MT) — a 22-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://dojmt.gov/wp-content/uploads/New-York-Teamsters-Conference-Pension-and-Retirement-Fund-Consumer-Notification-Letter.pdf
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: 7fd6e7415f12a572e3371134d022f30573409fa0cfa227057b7c5d400bc29b9b

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityThe New York Teamsters Conference Pension and Retirement Fund

Victim entityHorizon Actuarial Services, LLC

Incidentdiscovered Nov 12, 2021

Stated responseInitiated efforts to secure its computer servers

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov