HackingHealthcareHealthcareData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

Brunswick Hospital Center

bd_5fc9877310632733 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 3, 2024

Filed

May 2, 2025

To disclose

34 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

63%

Full breach record for Brunswick Hospital Center →2 incidents on file

Brunswick Hospital Center notified consumers of a data breach where an unauthorized actor accessed systems between July 17 and August 6, 2024. The incident involved the viewing or downloading of names and government identifiers. The hospital engaged cybersecurity specialists, reported the incident to federal law enforcement, and is offering credit monitoring services to affected individuals.

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Vermont clock✗ VT AG >45 bday34 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 · 48 days

discovery → filing · 34 weeks / 241 days

Jul 17, 2024

Begins

Sep 3, 2024

Discovered

May 1, 2025

Scope determined

May 2, 2025

Filed

vs. sector median

+22 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

Massachusetts State AGbd_9dcffcd8e4371ff72025-05-02Verified
Illinois State AGbd_a8d836e53b015c522025-05-01 · +1dCandidate

Name: Brunswick Hospital Center
norm: brunswick hospital center

Name: Brunswick Hospital Center
norm: brunswick hospital center
Industry: Healthcarellm

Discovered: Sep 3, 2024
Breach occurred: Jul 17, 2024 – Aug 6, 2024
Undetected for: 48 daysoccurrence → discovery
Materiality determined: May 1, 2025
Notification sent: May 1, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Regulator citations: Reported this event to federal law enforcement and appropriate governmental regulators

During the incident: Moved quickly to ensure the security of the systems
Launched an investigation into the nature and scope of the event with the assistance of cybersecurity specialists
Launched a thorough and comprehensive third-party review of the potentially impacted data
Reported this event to federal law enforcement and appropriate governmental regulators
Offering [Extra4] months of complimentary credit monitoring and identity restoration services through Experian
Changes made: Reviewing our policies, procedures, and security tools to reduce the likelihood of a similar event from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(241 days from discovery to filing)
Compliance flags: VT AG >45 bday
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 ↗

Illinois State AGMay 1 · first

Massachusetts State AG+1d

Vermont State AG+1d · this page

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://ago.vermont.gov/document/2025-05-02-brunswick-hospital-center-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 2, 2025
Raw hash: 9d151c1b374f77618d0ec09e27bcd739c005de9e1e0519b64d6557aac5cb2885

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityBrunswick Hospital Center

Victim entityBrunswick Hospital Center

Incidentdiscovered Sep 3, 2024

Stated responseMoved quickly to ensure the security of the systems

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov