MalwareHealthcareHealthcareRansomwareRansom DemandedCustomer Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MediumContained

CGSR, Inc. d/b/a Meadowbrook Healthcare

bd_a01d2b455ba87b9f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 11, 2021

Filed

Jan 6, 2022

To disclose

8 weeks

Affected

1state residents only

Confidence

66%

Full breach record for CGSR, Inc. d/b/a Meadowbrook Healthcare →2 incidents on file

CorrectionPublished Oct 10, 2026

The New Hampshire Department of Justice lists this notice on 2021-01-06. The notice letter is dated January 6, 2022, so we publish 2022-01-06 as the date it was filed.

Read their full statement

CGSR, Inc. dba Meadowbrook Healthcare, a skilled nursing and rehabilitation facility, detected a ransomware attack on November 11, 2021. An unauthorized third party attempted to infiltrate the network and demanded a ransom. The incident potentially exposed personal information (name, address, DOB, SSN) and protected health information of one New Hampshire resident. The organization engaged forensic investigators, secured its network, and offered credit monitoring.

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Incident timeline

discovery → filing · 8 weeks / 56 days

Nov 11, 2021

Begins

Nov 11, 2021

Discovered

Jan 6, 2022

Filed

vs. sector median

1 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: CGSR, Inc. dba Meadowbrook Healthcare
norm: cgsr
Domain: wilsonelser.com

Name: CGSR, Inc. d/b/a Meadowbrook Healthcare
norm: cgsr inc d b a meadowbrook healthcare
Also named: CGSR, Inc.dba oflegal entity
Meadowbrook Healthcaredba oftrade name
Industry: Healthcarellm

Discovered: Nov 11, 2021
Breach occurred: Nov 11, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 6, 2022
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General

During the incident: Contacted a reputable third-party forensic team to assist with its investigation
Working with law enforcement to help respond to this incident
Working with cybersecurity experts to review all policies and procedures relating to the security of Meadowbrook Healthcare’s systems
Moved quickly to secure our network environment
Launched a thorough investigation
Offered free credit monitoring and identity theft protection through IDX
Changes made: Implementing additional safeguards and enhanced security measures to better protect the privacy and security of information in our systems
Reviewed and taken steps to enhance our policies and procedures relating to the security of our systems and servers
Enhanced our information life cycle management
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/cgsr-dba-meadowbrook-healthcare-20220106.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 6, 2022
Raw hash: e30b7e638d00ecb84b16f7d4b7c943e347de2edce44f1bff7cb8a34ccc12230b

Reporting entityCGSR, Inc. dba Meadowbrook Healthcare

Victim entityCGSR, Inc. d/b/a Meadowbrook Healthcare

Incidentdiscovered Nov 11, 2021

Stated responseContacted a reputable third-party forensic team to assist with its investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov