HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedGovernment IDFinancial accountPHIHealth (basic)MediumContained

Osceola Mental Health

bd_97a93f9cfdede1fa · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jul 23, 2026

Filed

Sep 1, 2026

To disclose

—

Affected

52state residents only

Linked

2 filings

Confidence

67%

Full breach record for Osceola Mental Health →2 incidents on file

Osceola Mental Health d/b/a Park Place Behavioral Healthcare notified individuals of a data breach discovered on July 23, 2026. An unauthorized party copied personal information, including Social Security numbers, driver's license numbers, financial account information, and health information. The organization secured its environment, engaged forensic investigators, reset credentials, and deployed EDR. Complimentary credit monitoring is offered.

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Incident timeline

Jul 23, 2026

Discovered

Sep 1, 2026

Filed

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_ba2db67377ea52ca2026-08-26 · +6dCandidate

Name: Osceola Mental Health
norm: osceola mental health

Name: Osceola Mental Health
norm: osceola mental health
Also named: Osceola Mental Healthdba oflegal entity
Park Place Behavioral Healthcaredba oftrade name
Industry: Healthcarellm

Discovered: Jul 23, 2026
Materiality determined: —
Notification sent: Sep 23, 2026
Affected individuals: 52state-resident count only
Data types: Government IDFinancial accountPHIHealth (basic)
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Secured the environment
Engaged a specialized third-party cybersecurity firm to conduct a comprehensive investigation
Reset all user account credentials
Installed endpoint detection and response software to monitor our network system
Refined the security of our remote access methods
Restored operations in a safe and secure mode
Providing affected individuals with complimentary credit monitoring and identity theft restoration services
Changes made: Refined the security of our remote access methods
Installed endpoint detection and response software to monitor our network system
Will continue to take steps to mitigate the risk of future harm
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

HHS OCRAug 26 · first

Massachusetts State AG+6d · this page

Pattern: first filing Aug 26 (FL), last Sep 1 (MA) — a 6-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.mass.gov/doc/2026-1613-osceola-mental-health-dba-park-place-behavioral-healthcare/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2026
Raw hash: 4c160f6f64f2fede2e8b99c74395855c24628a22fd25610fb8aa914525b99174

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityOsceola Mental Health

Victim entityOsceola Mental Health

Incidentdiscovered Jul 23, 2026

Stated responseSecured the environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov