Social EngineeringHealthcareHealthcarePhishingStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDHealth (basic)Financial accountCredentialsMediumContained

Atrium Health Foundation

bd_b758586ed2e02128 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 29, 2024

Filed

Sep 13, 2024

To disclose

20 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Atrium Health Foundation →6 incidents on file

Atrium Health notified affected individuals in Montana and other states that an unauthorized third party gained access to employee email accounts via phishing on April 29, 2024. The incident may have exposed personal, health, and financial information. Atrium Health engaged forensic consultants, notified law enforcement, secured accounts, and offered 24 months of Kroll identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 20 weeks / 137 days

Apr 29, 2024

Begins

Apr 29, 2024

Discovered

Sep 13, 2024

Filed

vs. sector median

+8 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

HHS OCRbd_d402c34d7255fa302024-09-13Verified
Illinois State AGbd_cd117bcb5659c5032024-09-01 · +12dCandidate

Name: Atrium Health Foundation
norm: atrium health
Domain: atriumhealth.org

Name: Atrium Health Foundation
norm: atrium health
Domain: atriumhealth.org
Industry: Healthcarellm

Discovered: Apr 29, 2024
Breach occurred: Apr 29, 2024 – Apr 30, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial accountCredentials
Data elements: Social Security numberDate of birthMedical information
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: phishing_link

During the incident: Engaged a forensic consultant to assist with the investigation
Notified law enforcement
Took the necessary steps to secure the affected accounts
Confirmed the unauthorized third party had no further access
Offering a complimentary 24 month membership of Kroll identity monitoring
Changes made: Continuing to monitor, evaluate and enhance security systems and controls
Providing phishing and other cybersecurity training and education to employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(137 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 ↗

Illinois State AGSep 1 · first

HHS OCR+12d

Montana State AG+12d · this page

Pattern: first filing Sep 1 (IL), last Sep 13 (MT) — a 12-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1679.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 13, 2024
Raw hash: 00bbb388220237b2a36f586c108dab4d2e15a66cafc3f555b95683f231c53ff9

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityAtrium Health Foundation

Victim entityAtrium Health Foundation

Incidentdiscovered Apr 29, 2024

Stated responseEngaged a forensic consultant to assist with the investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov