HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDMediumContained

Brown & Toland Physicians

bd_d4ab24686b1bfc4b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 6, 2025

Filed

Jan 26, 2026

To disclose

51 weeks

Affected

Not disclosed

Confidence

63%

Full breach record for Brown & Toland Physicians →

Episource, LLC reported unauthorized access to its systems between January 27 and February 6, 2025, discovered on February 6. A criminal actor viewed and copied data including PHI (health diagnoses, treatments, medical record numbers), health insurance data, and PII (names, addresses, SSNs, DOBs). The incident affected patients of Episource's customers, including Brown & Toland Physicians. Episource engaged forensic investigators, notified law enforcement, and shut down systems. Two years of credit monitoring were offered.

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California clockDiscovered Feb 6, 2025 → Notified Jun 6, 2025120d ✗ CA 60-day late51 weeks discovery → filing

Incident timeline

undetected · 10 days

discovery → filing · 51 weeks / 354 days

Jan 27, 2025

Begins

Feb 6, 2025

Discovered

Jan 26, 2026

Filed

vs. sector median

+40 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: EpiSource
norm: episource

Name: Brown & Toland Physicians
norm: brown toland physicians
Industry: Healthcarellm

Discovered: Feb 6, 2025
Breach occurred: Jan 27, 2025 – Feb 6, 2025
Undetected for: 10 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 6, 2025
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Took steps to stop the activity
Began investigating right away
Hired a special team to help us
Called law enforcement
Turned off our computer systems
Changes made: Making our computer systems even stronger than before
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 51 weeks(354 days from discovery to filing)
Compliance flags: CA 60-day late · 120d
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: Feb 6, 2025
→ Notified: Jun 6, 2025
120d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Feb 6, 2025 → Notified: Jun 6, 2025	120d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

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/sb24-617645
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 26, 2026
Raw hash: e42463a92adc6fe8cb3359f18cea5942fdd22ac40ed4d09bc9dfea3df47daa4d

Reporting entityEpiSource

Victim entityBrown & Toland Physicians

Incidentdiscovered Feb 6, 2025

Stated responseTook steps to stop the activity

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov