HackingHealthcareTechnologyHealthcareData ExfiltratedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

BAYMARK HEALTH SERVICES, INC.

bd_fea57e1ef45f00b7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 11, 2024

Filed

May 2, 2025

To disclose

29 weeks

Affected

Not disclosed

Linked

16 filings

Confidence

67%

Full breach record for BAYMARK HEALTH SERVICES, INC. →2 incidents on file

BayMark Health Services, Inc. notified consumers of a data breach where an unauthorized party accessed files on its central IT systems between September 24 and October 14, 2024. The incident exposed patient PII including names, SSNs, driver's licenses, and PHI. BayMark engaged forensic experts, notified law enforcement, and offered one year of Equifax credit monitoring.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday29 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 · 17 days

discovery → filing · 29 weeks / 203 days

Sep 24, 2024

Begins

Oct 11, 2024

Discovered

May 2, 2025

Filed

vs. sector median

+17 wks slower

This filing is one of 16 about the same incident.View merged incident

A leak claim by ransomhub about this victim predates this filing by 215 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Oregon State AGbd_0773210a4cd26ea62025-05-02Verified
Indiana State AGbd_1cedfa4d4dcc2eaa2025-05-02Verified
New Hampshire State AGbd_52c70a5301f6009f2025-05-02Verified
Maine State AGbd_9433a040cd8602212025-05-02Verified

Show 6 more filings ↓up to 114d gap

Washington State AGbd_d75ef725e07d4c8d2025-05-02Verified
California State AGbd_d9bc679cc6a12d272025-05-02Verified
Nebraska State AGbd_e672487f946f1c322025-05-02Verified
HHS OCRbd_1556e1ab2237060e2025-01-08 · +114dVerified by operator
Nebraska State AGbd_4365a1babe67b2d72025-01-08 · +114dCandidate
California State AGbd_e84759092a766ea52025-01-08 · +114dVerified

Showing first 10 of 15 linked disclosures.

Name: BAYMARK HEALTH SERVICES, INC.
norm: baymark health
Domain: baymark.com

Name: BAYMARK HEALTH SERVICES, INC.
norm: baymark health
Domain: baymark.com
Industry: HealthcarellmTechnologyllm

Discovered: Oct 11, 2024
Breach occurred: Sep 24, 2024 – Oct 14, 2024
Undetected for: 17 daysoccurrence → discovery
Materiality determined: May 2, 2025
Notification sent: May 2, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure our systems
Launched an investigation with the assistance of third-party forensic experts
Notified law enforcement
Offering you a one-year complimentary membership to Equifax CompleteTM Premier
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(203 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >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 · 11 filings · 9 states

View merged incident ↗

HHS OCRJan 8 · first

Nebraska State AGJan 8 · first

California State AGJan 8 · first

Oregon State AG+114d

Indiana State AG+114d

New Hampshire State AG+114d

Maine State AG+114d

Washington State AG+114d

California State AG+114d

Nebraska State AG+114d

Vermont State AG+114d · this page

Pattern: first filing Jan 8 (TX), last May 2 (VT) — a 114-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 15 — the full spread may be wider.

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-baymark-health-services-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: 34d2c77d229af562d191900c7a48db722d8e1c33779c8d5870f64c367bb221ee

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityBAYMARK HEALTH SERVICES, INC.

Victim entityBAYMARK HEALTH SERVICES, INC.

Incidentdiscovered Oct 11, 2024

Stated responseTook steps to secure our systems

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov