MalwareHealthcareHealthcareRansomwareStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Mat-Su Surgical Associates, APC

bd_675cf8a1db68f683 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 3, 2020

Filed

Aug 31, 2020

To disclose

28 days

Affected

1state residents only

Linked

2 filings

Confidence

66%

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

Mat-Su Surgical Associates, APC suffered a ransomware incident on March 16, 2020, encrypting files and allowing an unauthorized actor to view patient records. Glacier Surgical Associates, a former provider at the facility, notified one New Hampshire resident whose PHI, SSN, and DOB were potentially exposed. Notices were sent on August 25, 2020, offering 12 months of identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 140 days

discovery → filing · 28 days

Mar 16, 2020

Begins

Aug 3, 2020

Discovered

Aug 31, 2020

Filed

vs. sector median

9 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Montana State AGbd_14c6216d426e017d2020-08-25 · +6dVerified

Name: Glacier Surgical Associates
norm: glacier surgical associates

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

Discovered: Aug 3, 2020
Breach occurred: Mar 16, 2020
Undetected for: 140 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 25, 2020
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Hired independent computer forensic investigators
Provided notice to impacted patients via notification letter
Offered twelve months of complimentary identity monitoring
Changes made: Offered twelve months of complimentary identity monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGAug 25 · first

New Hampshire State AG+6d · this page

Pattern: first filing Aug 25 (MT), last Aug 31 (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/glacier-surgical-20200831.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 31, 2020
Raw hash: 57794e3216469a38e9aa90e0752d2f72c09e0b9a00fdbaa4582b294386f6f7eb

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityGlacier Surgical Associates

Victim entityMat-Su Surgical Associates, APC

Incidentdiscovered Aug 3, 2020

Stated responseHired independent computer forensic investigators

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov