AccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

St. Charles Health System, Inc.

bd_c96d35b202d690a1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 3, 2025

Filed

May 1, 2025

To disclose

8 weeks

Affected

1state residents only

Linked

2 filings

Confidence

66%

Full breach record for St. Charles Health System, Inc. →3 incidents on file

St. Charles Health System, Inc. notified the NH AG of a processing error on March 3, 2025, where IRS Form 1095-Cs were mailed to incorrect recipients. One NH resident was affected. The incident involved PII including names and SSNs. SCHS provided credit monitoring via TransUnion and notified regulators.

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Incident timeline

discovery → filing · 8 weeks / 59 days

Mar 3, 2025

Discovered

Apr 3, 2025

Scope determined

May 1, 2025

Filed

vs. sector median

3 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Oregon State AGbd_fb81a3642f58de652025-05-02 · +1dCandidate

Name: St. Charles Health System, Inc.
norm: st charles health system

Name: St. Charles Health System, Inc.
norm: st charles health system
Industry: Healthcarellm

Discovered: Mar 3, 2025
Materiality determined: Apr 3, 2025
Notification sent: May 2, 2025
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unknown
Regulator citations: Notified Office of the New Hampshire Attorney GeneralNotified regulators of this incident, as appropriate

During the incident: Began notifying affected individuals
Providing access to credit and/or identity monitoring services for , through TransUnion, to individuals whose information was potentially affected by this incident, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators, as necessary
Changes made: Reviewing its protocols, policies, and procedures to reduce the likelihood of a similar event from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 days from discovery to filing)
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 ↗

New Hampshire State AGMay 1 · first · this page

Oregon State AG+1d

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://mm.nh.gov/files/uploads/doj/remote-docs/st-charles-health-system-20250501.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 1, 2025
Raw hash: 7be21f83219dbf88bb84b2488fe837eeeed1db17927ba9f8e48d3a0c371b8786

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entitySt. Charles Health System, Inc.

Victim entitySt. Charles Health System, Inc.

Incidentdiscovered Mar 3, 2025

Stated responseBegan notifying affected individuals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov