MalwareHealthcareHealthcareRansomwareStolen CredentialsData ExfiltratedTargetedIdentity (basic)Health (basic)Government IDMediumContained

Mowery Clinic LLC

bd_bd7e3fb552edbefe · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 14, 2021

Filed

Nov 5, 2021

To disclose

7 weeks

Affected

3state residents only

Linked

7 filings

Confidence

66%

Full breach record for Mowery Clinic LLC →

Mowery Clinic notified NH AG of a cyberattack occurring around Sept 8, 2021, discovered Sept 14, 2021. Unauthorized access to files containing PHI, PII (SSN, DOB, name, address) and medical records. 3 NH residents affected. Malware deployed; forensic investigation engaged.

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Incident timeline

undetected · 6 days

discovery → filing · 7 weeks / 52 days

Sep 8, 2021

Begins

Sep 14, 2021

Discovered

Nov 5, 2021

Filed

vs. sector median

5 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

HHS OCRbd_6c59a806a9d5ac452021-11-05Verified
Maine State AGbd_0f375d7ebe149bfa2021-11-02 · +3dVerified
Montana State AGbd_79d3a0ce4fe3e2522021-11-02 · +3dVerified
Indiana State AGbd_9e5681657b94e38f2021-11-02 · +3dVerified

Show 2 more filings ↓up to 11d gap

South Carolina State AGbd_ee68dd3c7cb283842021-11-09 · +4dVerified
Massachusetts State AGbd_dab1f854fef6d1d52021-11-16 · +11dVerified

Name: Mowery Clinic LLC
norm: mowery clinic

Name: Mowery Clinic LLC
norm: mowery clinic
Industry: Healthcarellm

Discovered: Sep 14, 2021
Breach occurred: Sep 8, 2021
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 3state-resident count only
Data types: Identity (basic)Health (basic)Government ID
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: valid_credentials

During the incident: Commenced an investigation to determine the scope of the Incident
Working with its information technology team and third-party forensic experts
Engaged a third-party cybersecurity firm to conduct a forensic investigation
Changes made: Reviewing its current privacy and data security policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(52 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Maine State AGNov 2 · first

Montana State AGNov 2 · first

Indiana State AGNov 2 · first

HHS OCR+3d

New Hampshire State AG+3d · this page

South Carolina State AG+7d

Massachusetts State AG+14d

Pattern: first filing Nov 2 (ME), last Nov 16 (MA) — a 14-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/mowery-clinic-20211105.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 5, 2021
Raw hash: 6da4abfba7fc1e33463ba8d2bb73c7a1f8c5236183dd01080def2e393cdf3937

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMowery Clinic LLC

Victim entityMowery Clinic LLC

Incidentdiscovered Sep 14, 2021

Stated responseCommenced an investigation to determine the scope of the Incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov