HackingHealthcareTechnologyHealthcareCustomer Data InvolvedTargetedIdentity (basic)Health (basic)Financial accountMediumContained

Avosina Healthcare Solutions

bd_6d05346c26122a36 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 29, 2025

Filed

Jan 12, 2026

To disclose

24 weeks

Affected · nationwide

42,26116 in this filing

Linked

8 records

Confidence

65%

Full breach record for Avosina Healthcare Solutions →

Avosina Healthcare Solutions, a medical billing services provider, reported an external system breach on July 29, 2025, affecting 42,261 individuals, including 16 Maine residents. The breach compromised names, addresses, medical information, and health insurance details. Avosina secured systems, engaged investigators, notified law enforcement, and offered 12 months of credit and identity theft protection services to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d24 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 24 weeks / 167 days

Jul 29, 2025

Begins

Jul 29, 2025

Discovered

Jan 12, 2026

Filed

vs. sector median

+15 wks slower

This filing is one of 8 records about the same incident.View merged incident

A leak claim by qilin about this victim was first seen 158 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteqilinbd_b6e96067de3944d52025-07-29 · +167dVerified by operator

Regulatory filings (6) · sorted by filing gap

New Hampshire State AGbd_ba06270bf07e87ac2026-01-13 · +1dVerified by operator
HHS OCRbd_f3783aa6bf2369932026-01-10 · +2dVerified by operator
Nebraska State AGbd_2a0c8562f35f0e262026-01-09 · +3dVerified by operator
Vermont State AGbd_f48b97fa97aba87a2026-01-09 · +3dVerified by operator

Show 2 more filings ↓up to 21d gap

Indiana State AGbd_f8675c072555043a2026-01-09 · +3dVerified by operator
Massachusetts State AGbd_2ca30917fbce2efb2026-02-02 · +21dVerified

Name: Marshall Dennehey Warner Coleman & Goggin, P.A.
norm: marshall dennehey warner coleman goggin

Name: Avosina Healthcare Solutions
norm: avosina healthcare
Domain: avosinamed.com
Industry: HealthcarellmTechnologyllm

Discovered: Jul 29, 2025
Breach occurred: Jul 29, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 9, 2025
Affected individuals: 42,261state + nationwide
Data types: Identity (basic)Health (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Took steps to secure our systems
Worked with investigators to determine the scope and nature of the activity
Notified law enforcement
Changes made: Will continue to evaluate and implement safeguards related to data security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(167 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Nebraska State AGJan 9 · first

Vermont State AGJan 9 · first

Indiana State AGJan 9 · first

HHS OCR+1d

Maine State AG+3d · this page

New Hampshire State AG+4d

Massachusetts State AG+24d

Pattern: first filing Jan 9 (NE), last Feb 2 (MA) — a 24-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/e3380ada-064a-487e-b6ce-c9317553b5f2.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 12, 2026
Raw hash: a913a8c214d0046cceb6f9da871e55b343c265bab73b2187536bea84661b7565

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityMarshall Dennehey Warner Coleman & Goggin, P.A.

Victim entityAvosina Healthcare Solutions

Incidentdiscovered Jul 29, 2025

Stated responseTook steps to secure our systems

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov