Social EngineeringHealthcareHealthcarePhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)CredentialsMediumResolved

SHERRILL HOUSE, INC.

bd_1456d285dc693a1d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 4, 2021

Filed

Jul 11, 2022

To disclose

36 weeks

Affected

43state residents only

Linked

3 filings

Confidence

66%

Full breach record for SHERRILL HOUSE, INC. →3 incidents on file

Sherrill House, Inc., a skilled nursing and rehabilitation center, notified the NH Attorney General of a data breach affecting 43 NH residents. Unauthorized access to three employee email accounts occurred around Sept 4, 2021, discovered Nov 4, 2021. The incident involved phishing leading to credential compromise and email collection, exposing PHI, SSNs, financial account info, and PII. Sherrill House engaged forensic experts, secured systems, and offered 24 months of credit monitoring.

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Incident timeline

undetected · 61 days

discovery → filing · 36 weeks / 249 days

Sep 4, 2021

Begins

Nov 4, 2021

Discovered

Jul 11, 2022

Filed

vs. sector median

+25 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_27eb029a419fff692022-07-05 · +6dCandidate
Indiana State AGbd_d2ea58b78878c4902022-07-05 · +6dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: SHERRILL HOUSE, INC.
norm: sherrill house
Industry: Healthcarellm

Discovered: Nov 4, 2021
Breach occurred: Sep 4, 2021
Undetected for: 61 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 5, 2022
Affected individuals: 43state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)Credentials
Data elements: Date of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Provided notice to applicable government regulators, officials, and other state Attorneys General
Initial access: phishing_link

During the incident: Engaged third-party independent cybersecurity experts to conduct an investigation
Secured its systems through a variety of methods
Provided substitute notice on its website
Mailed written notification to potentially affected New Hampshire residents
Provided free access to credit monitoring services for two years through TransUnion
Changes made: Implementing additional cybersecurity safeguards
Enhancing and improving policies and procedures related to data protection
Improving cybersecurity infrastructure
Training employees on best practices to minimize likelihood of incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 36 weeks(249 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maine State AGJul 5 · first

Indiana State AGJul 5 · first

New Hampshire State AG+6d · this page

Pattern: first filing Jul 5 (ME), last Jul 11 (NH) — a 6-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/sherrill-house-20220711.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 11, 2022
Raw hash: 4d2a7a82322ca08c95804842253c401c7bf50fd5fba04ed5bb70196fb249125b

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entitySHERRILL HOUSE, INC.

Incidentdiscovered Nov 4, 2021

Stated responseEngaged third-party independent cybersecurity experts to conduct an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov