HackingHealthcareHealthcareCustomer Data InvolvedDelayed DiscoveryPHIIdentity (basic)Government IDHealth (basic)FinancialMediumContained

BAYMARK HEALTH SERVICES, INC.

bd_d9bc679cc6a12d27 · 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

65%

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

BayMark Health Services, Inc. disclosed that an unauthorized party accessed files on its systems between September 24 and October 14, 2024. The company learned of the incident on October 11, 2024. Affected data included names, Social Security numbers, driver's license numbers, dates of birth, and health/treatment information. The incident did not impact patient care at facilities. BayMark engaged forensic experts, notified law enforcement, and is offering one year of credit monitoring.

J jump to incidentP pin to compareR raw source

California clockDiscovered Oct 11, 2024 → Notified Mar 20, 2025160d ✗ CA 60-day late29 weeks discovery → filing

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
Maine State AGbd_9433a040cd8602212025-05-02Verified

Show 6 more filings ↓up to 114d gap

Washington State AGbd_d75ef725e07d4c8d2025-05-02Verified
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: Mar 20, 2025
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)Government IDHealth (basic)Financial
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified law enforcement

During the incident: Took steps to secure our systems
Launched an investigation with the assistance of third-party forensic experts
Notified law enforcement
Implemented additional safeguards and technical security measures to further protect and monitor our systems
Offering 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: CA 60-day late · 160dLeak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Oct 11, 2024
→ Notified: Mar 20, 2025
160d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Oct 11, 2024 → Notified: Mar 20, 2025	160d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Nebraska State AG+114d

Vermont State AG+114d

California State AG+114d · this page

Pattern: first filing Jan 8 (TX), last May 2 (CA) — 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://oag.ca.gov/ecrime/databreach/reports/sb24-602162
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: 957efdbb43e8a81bd0b8f11e273724bc3d0ebacf0916acfcd91d2e5fea9841e9

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

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov