HackingHealthcareHealthcareCapture Stored DataCapture App DataData ExfiltratedCustomer Data InvolvedDelayed DiscoveryGovernment IDIdentity (basic)Health (basic)MediumContained

North Shore Medical Labs

bd_ef05ae56631218c3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 29, 2023

Filed

Nov 9, 2023

To disclose

32 weeks

Affected

8state residents only

Linked

4 filings

Confidence

65%

Full breach record for North Shore Medical Labs →

North Shore Medical Labs (NSML) disclosed a cybersecurity incident affecting approximately 8 New Hampshire residents. Unauthorized access to NSML computer systems occurred between December 19, 2022, and March 31, 2023. An actor copied patient-specific data, potentially including government IDs and health information. NSML discovered the incident on March 29, 2023, notified law enforcement and HHS, and sent notices to affected individuals on November 9, 2023. No identity theft has been confirmed.

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Leak gap clock✗ Leak >180d32 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 100 days

discovery → filing · 32 weeks / 225 days

Dec 19, 2022

Begins

Mar 29, 2023

Discovered

Nov 9, 2023

Filed

vs. sector median

+20 wks slower

This filing is one of 4 about the same incident.View merged incident

A leak claim by bianlian about this victim predates this filing by 182 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitebianlianbd_b8b20e6d5adfed7a2023-05-11 · +182dVerified by operator

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_aa0672a564524d522023-11-09Verified by operator
HHS OCRbd_b0312e9cd54914cc2023-05-26 · +167dVerified

Name: North Shore Medical Labs
norm: north shore medical labs

Name: North Shore Medical Labs
norm: north shore medical labs
Industry: Healthcarellm

Discovered: Mar 29, 2023
Breach occurred: Dec 19, 2022 – Mar 31, 2023
Undetected for: 100 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 9, 2023
Affected individuals: 8state-resident count only
Data types: Government IDIdentity (basic)Health (basic)
Data elements: Medical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated CollectionT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement regarding the eventNotifying the U.S. Department of Health and Human Services (“HHS”)

During the incident: Notified federal law enforcement regarding the event
Working to implement additional safeguards and training to its employees
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state and federal regulators
Notifying the U.S. Department of Health and Human Services (“HHS”)
Notifying prominent media pursuant to the Health Insurance Portability and Accountability Act (“HIPAA”)
Changes made: Reviewing its existing policies and training protocols relating to data protection
Implemented enhanced security measures and monitoring tools to mitigate any risk associated with this incident and to better prevent similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 32 weeks(225 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

HHS OCRMay 26 · first

Massachusetts State AG+167d

New Hampshire State AG+167d · this page

Pattern: first filing May 26 (NY), last Nov 9 (NH) — a 167-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/north-shore-medical-labs-20231109.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 9, 2023
Raw hash: 1b97e36ff5da2fbe88cd85f44cba8d05a1a9b2d31e42aaede7f8cf6ae1f78ede

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entityNorth Shore Medical Labs

Victim entityNorth Shore Medical Labs

Incidentdiscovered Mar 29, 2023

Stated responseNotified federal law enforcement regarding the event

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov