MalwareHealthcareHealthcareRansomwareData EncryptedCustomer Data InvolvedPHIGovernment IDIdentity (basic)Health (basic)FinancialMediumContained

Mat-Su Surgical Associates, APC

bd_07d14df0421918c1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

May 18, 2020

To disclose

—

Affected

4state residents only

Linked

5 filings

Confidence

66%

Full breach record for Mat-Su Surgical Associates, APC →2 incidents on file

Mat-Su Surgical Associates, APC suffered a ransomware attack on March 16, 2020, encrypting files and allowing unauthorized access to PHI. Four New Hampshire residents were affected. The organization restored systems, hired forensic investigators, reset passwords, and implemented additional remote access controls. Credit monitoring was provided to affected individuals.

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Incident timeline

Mar 16, 2020

Begins

May 18, 2020

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_9bcd3180186d1a3f2020-05-15 · +3dVerified
Montana State AGbd_dc8c026998dc57022020-05-15 · +3dCandidate
HHS OCRbd_febfeb21d058e71f2020-05-15 · +3dVerified
Massachusetts State AGbd_01a3ad3c638267822020-05-27 · +9dVerified

Name: Mat-Su Surgical Associates, APC
norm: mat su surgical associates apc

Name: Mat-Su Surgical Associates, APC
norm: mat su surgical associates apc
Industry: Healthcarellm

Discovered: —
Breach occurred: Mar 16, 2020
Materiality determined: —
Notification sent: May 15, 2020
Affected individuals: 4state-resident count only
Data types: PHIGovernment IDIdentity (basic)Health (basic)Financial
Data elements: Social Security numberMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Attorney General Gordon MacDonald, Office of the Attorney General, NH

During the incident: Restored its systems
Began an internal investigation
Hired independent computer forensic investigators
Resetting all passwords
Putting additional controls in place for any type of remote access
Reviewing its policies and procedures to ensure that the appropriate controls are in place to protect PHI
Arranged for credit monitoring and identity protection services at no cost
Changes made: Resetting all passwords
Putting additional controls in place for any type of remote access
Reviewing its policies and procedures to ensure that the appropriate controls are in place to protect PHI
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGMay 15 · first

Montana State AGMay 15 · first

HHS OCRMay 15 · first

New Hampshire State AG+3d · this page

Massachusetts State AG+12d

Pattern: first filing May 15 (IN), last May 27 (MA) — a 12-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/mat-su-surgical-20200518.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 18, 2020
Raw hash: 8dfbde385b5c83131e5dce4c9343c21f61a2094e82bf6e916e8eddd8d6463260

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMat-Su Surgical Associates, APC

Victim entityMat-Su Surgical Associates, APC

IncidentRansomware

Stated responseRestored its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov