Social EngineeringHealthcareProfessional ServicesHealthcarePhishingStolen CredentialsMulti-Stage ChainCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Health (basic)Government IDFinancial accountMediumContained

NorthStar Anesthesia, P.A.

bd_1ca4b132b8225453 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 23, 2018

Filed

Jul 20, 2018

To disclose

8 weeks

Affected

28state residents only

Linked

3 filings

Confidence

66%

Full breach record for NorthStar Anesthesia, P.A. →2 incidents on file

NorthStar Anesthesia notified the NH AG of a phishing incident compromising employee email credentials between April 3 and May 24, 2018. Discovered May 23, 2018. Affected ~28 NH residents with PHI, SSNs, and financial data. Response included forensic investigation, credential resets, and 2-year credit monitoring.

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Incident timeline

undetected · 50 days

discovery → filing · 8 weeks / 58 days

Apr 3, 2018

Begins

May 23, 2018

Discovered

Jul 20, 2018

Filed

vs. sector median

4 wks faster

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

HHS OCRbd_deb5ad2d82c784202018-07-20Verified
Montana State AGbd_1bc9b57dc82155782018-06-20 · +30dCandidate

Name: NorthStar Anesthesia, P.A.
norm: northstar anesthesia

Name: NorthStar Anesthesia, P.A.
norm: northstar anesthesia
Industry: HealthcarellmProfessional Servicesllm

Discovered: May 23, 2018
Breach occurred: Apr 3, 2018 – May 24, 2018
Undetected for: 50 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 20, 2018
Affected individuals: 28state-resident count only
Data types: Identity (basic)Health (basic)Government IDFinancial account
Data elements: Date of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Providing notice to other state regulators, as required by lawProviding notice to the U.S. Department of Health and Human Services
Initial access: phishing_link

During the incident: Commenced an investigation to determine the nature and scope of the incident
Working with third party forensic investigators
Changing the affected users' email credentials
Implementing additional safeguards to protect the security of information
Providing notice to potentially impacted individuals
Offering access to credit monitoring and identity theft protection services for two (2) years through ID Experts
Providing guidance on how to better protect against identity theft and fraud
Providing notice to other state regulators, as required by law
Providing notice to the U.S. Department of Health and Human Services
Changes made: Implementing additional safeguards to protect the security of information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 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 ↗

Montana State AGJun 20 · first

HHS OCR+30d

New Hampshire State AG+30d · this page

Pattern: first filing Jun 20 (MT), last Jul 20 (NH) — a 30-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/northstar-anesthesia-20180720.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 20, 2018
Raw hash: 52c6f8eb7f74ebfe0d734f3493eb83b83c50a834cbc74ed9330c635920e40216

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityNorthStar Anesthesia, P.A.

Victim entityNorthStar Anesthesia, P.A.

Incidentdiscovered May 23, 2018

Stated responseCommenced an investigation to determine the nature and scope of the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov