HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)PHIMediumContained

HORIZON HOUSE, LTD.

bd_43e7e1f8a75c874b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 5, 2021

Filed

Sep 21, 2021

To disclose

29 weeks

Affected

5state residents only

Linked

6 filings

Confidence

66%

Full breach record for HORIZON HOUSE, LTD. →

Horizon House, Inc. notified the NH AG of a data event affecting 5 NH residents. Unauthorized access occurred March 2-5, 2021; discovered March 5, 2021. Data included SSN, driver's license, financial accounts, PHI. Notices sent Sept 17, 2021. Credit monitoring offered.

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Incident timeline

undetected · 3 days

discovery → filing · 29 weeks / 200 days

Mar 2, 2021

Begins

Mar 5, 2021

Discovered

Sep 21, 2021

Filed

vs. sector median

+16 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Delaware State AGbd_092cf803dc51e8282021-09-17 · +4dCandidate
HHS OCRbd_1f196456df5f6cb42021-09-17 · +4dVerified
Massachusetts State AGbd_38bed8bbd0592d782021-09-17 · +4dVerified
Maine State AGbd_6fd8c199e66fca962021-09-17 · +4dVerified by operator

Show 1 more filing ↓up to 4d gap

Indiana State AGbd_ced4e4ac96eb8e5d2021-09-17 · +4dVerified

Name: HORIZON HOUSE, LTD.
norm: horizon house

Name: HORIZON HOUSE, LTD.
norm: horizon house
Industry: Healthcarellm

Discovered: Mar 5, 2021
Breach occurred: Mar 2, 2021 – Mar 5, 2021
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 17, 2021
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau

During the incident: Launched an investigation to confirm the full nature and scope of the incident
Restored functionality to impacted systems
Completed a thorough review of potentially impacted files
Notified federal law enforcement
Provided written notice to all affected individuals
Provided access to credit monitoring services for one year through TransUnion Interactive
Changes made: Working to implement additional safeguards and training to its employees
Reviewing existing policies and procedures to examine existing security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(200 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Delaware State AGSep 17 · first

HHS OCRSep 17 · first

Massachusetts State AGSep 17 · first

Maine State AGSep 17 · first

Indiana State AGSep 17 · first

New Hampshire State AG+4d · this page

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-house-20210921.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 21, 2021
Raw hash: 921a4118eb0245182f9b0c4eac52f1d805338b34c2a8ec4787f8bd589c22cba7

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityHORIZON HOUSE, LTD.

Victim entityHORIZON HOUSE, LTD.

Incidentdiscovered Mar 5, 2021

Stated responseLaunched an investigation to confirm the full nature and scope of the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov