HackingHealthcareHealthcareData ExfiltratedTargetedIdentity (basic)Government IDHealth (basic)HighContained

BAYMARK HEALTH SERVICES, INC.

bd_9433a040cd860221 · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 11, 2024

Filed

May 2, 2025

To disclose

29 weeks

Affected · nationwide

16,548481 in this filing

Linked

16 filings

Confidence

66%

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

BayMark Health Services, Inc. reported an external system breach (hacking) occurring between September 24 and October 14, 2024. The incident affected 16,548 individuals, including 481 Maine residents. Compromised data included names, SSNs, driver's license numbers, and medical information. BayMark engaged forensic experts, notified law enforcement, and provided 12 months of credit monitoring via Equifax.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 11, 2024 → Filed with AG May 2, 2025203d ✗ ME AG >90d29 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

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
Washington State AGbd_d75ef725e07d4c8d2025-05-02Verified

Show 6 more filings ↓up to 114d gap

California State AGbd_d9bc679cc6a12d272025-05-02Verified
Nebraska State AGbd_e672487f946f1c322025-05-02Verified
Vermont State AGbd_fea57e1ef45f00b72025-05-02Verified
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: Healthcarellm

Discovered: Oct 11, 2024
Breach occurred: Sep 24, 2024 – Oct 14, 2024
Undetected for: 17 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 2, 2025
Affected individuals: 16,548state + nationwide
Data types: Identity (basic)Government IDHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Took steps to secure its systems
Launched an investigation with the assistance of third-party forensic experts
Notified law enforcement
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(203 days from discovery to filing)
Compliance flags: ME AG >90d · 203dLeak >180dME resident >60d · 203d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Oct 11, 2024
→ Filed with AG: May 2, 2025
203d 90 days ME AG >90d
Maine
Discovered: Oct 11, 2024
→ Notified: May 2, 2025
203d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 11, 2024 → Filed with AG: May 2, 2025	203d	90 days	ME AG >90d
Maine	Discovered: Oct 11, 2024 → Notified: May 2, 2025	203d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

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

Washington State AG+114d

California State AG+114d

Nebraska State AG+114d

Vermont State AG+114d

Maine State AG+114d · this page

Pattern: first filing Jan 8 (TX), last May 2 (ME) — 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/5953ffe7-7781-44be-ace7-07bab68655d2.html
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: f358a2e4ec70539c81c41b3902452e6bb6019f6c7456c1ebb714f23c33db5865

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 its systems

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov