MalwareHealthcareHealthcareRansomwareCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountPHIHealth (basic)MediumContained

Grandison Management, Inc.; Towne Home Care, LLC

bd_f566da6af19971f7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 17, 2021

Filed

Mar 23, 2022

To disclose

44 weeks

Affected

16state residents only

Linked

4 filings

Confidence

66%

Full breach record for Grandison Management, Inc.; Towne Home Care, LLC →2 incidents on file

Grandison Management, Inc. and Towne Home Care, LLC experienced a ransomware attack on May 15, 2021, detected on May 17, 2021. The incident potentially exposed personal information (names, SSNs, financial account data) and medical information of 16 New Hampshire residents. The company engaged forensic experts, notified law enforcement (FBI), and offered one year of identity monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 2 days

discovery → filing · 44 weeks / 310 days

May 15, 2021

Begins

May 17, 2021

Discovered

Mar 23, 2022

Filed

vs. sector median

+32 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_f6171248af8148a92022-03-22 · +1dVerified by operator
Indiana State AGbd_99cf5d5b6f36c0242022-03-11 · +12dVerified
Montana State AGbd_819ea73189faf00d2022-02-08 · +43dCandidate

Name: Grandison Management, Inc.
norm: grandison management

Name: Grandison Management, Inc.; Towne Home Care, LLC
norm: grandison management inc towne home care
Industry: Healthcarellm

Discovered: May 17, 2021
Breach occurred: May 15, 2021
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 8, 2022
Affected individuals: 16state-resident count only
Data types: Identity (basic)Government IDFinancial accountPHIHealth (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney GeneralCommunications ongoing with FBI’s Newark Field Office

During the incident: Shut off access to the network
Engaged specialized third-party forensic and technical resources to respond to the incident
Conducted an investigation with the assistance of third-party forensic specialists
Notified law enforcement
Communications are ongoing with the FBI’s Newark Field Office
Mailed individual written notifications
Offered free credit monitoring through Kroll
Changes made: Implemented additional technical and operational safeguards
Reviewing and altering policies and procedures relating to the security of systems and servers
Secured and remediated its network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 44 weeks(310 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGFeb 8 · first

Indiana State AG+31d

Maine State AG+42d

New Hampshire State AG+43d · this page

Pattern: first filing Feb 8 (MT), last Mar 23 (NH) — a 43-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://mm.nh.gov/files/uploads/doj/remote-docs/grandison-management-towne-home-care-20220323.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 23, 2022
Raw hash: 6d1d6cd9410d979bda6db31858418c92e2f626a85452d1485e5a402e3c4068ff

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityGrandison Management, Inc.

Victim entityGrandison Management, Inc.; Towne Home Care, LLC

Incidentdiscovered May 17, 2021

Stated responseShut off access to the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov