HackingIdentity (basic)Government IDMediumContained

Minnesota Epilepsy Group

bd_5b1081dc6c650f9a · schema v1 · pii pii-v2

Severity

Medium

Discovered

Apr 7, 2026

Filed

Jun 5, 2026

To disclose

8 weeks

Affected

56state residents only

Linked

3 filings

Confidence

69%

Full breach record for Minnesota Epilepsy Group →4 incidents on file

Minnesota Epilepsy Group, P.A. notified Montana and other state residents of a data breach occurring between March 16 and April 10, 2026, discovered on April 7, 2026. Unauthorized access may have exposed names, addresses, dates of birth, and Social Security numbers. The company engaged forensic investigators, notified law enforcement, and offered one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 22 days

discovery → filing · 8 weeks / 59 days

Mar 16, 2026

Begins

Apr 7, 2026

Discovered

Jun 5, 2026

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_291522eded1c251f2026-06-05Verified
HHS OCRbd_b89be6bdff57ff612026-06-05Verified

Name: Minnesota Epilepsy Group
norm: minnesota epilepsy
Domain: mnepilepsy.org

Name: Minnesota Epilepsy Group
norm: minnesota epilepsy
Domain: mnepilepsy.org

Discovered: Apr 7, 2026
Breach occurred: Mar 16, 2026 – Apr 10, 2026
Undetected for: 22 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 18, 2026
Affected individuals: 56state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Began an internal investigation
Worked to secure our systems
Notified law enforcement
Engaged a forensic security firm to assist with our investigation
Changes made: Enhancing our technical security measures
Arranged for you to enroll in a one-year membership of Experian IdentityWorks SM Credit 3B
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 · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGJun 5 · first

HHS OCRJun 5 · first

Montana State AGJun 5 · first · this page

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://dojmt.gov/wp-content/uploads/2026/09/Consumer-notification-letter-38.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 5, 2026
Raw hash: 1e90ad2fb8efd2969ca7b280df4a5d78e10e31fa91f921ff446206257f55bada

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMinnesota Epilepsy Group

Victim entityMinnesota Epilepsy Group

Incidentdiscovered Apr 7, 2026

Stated responseBegan an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov