Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedTargetedPIIIdentity (basic)LowContained

UC Health, LLC

bd_a43d232aac4c1d4e · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 6, 2019

Filed

Jan 29, 2020

To disclose

30 weeks

Affected

4state residents only

Linked

2 filings

Confidence

65%

Full breach record for UC Health, LLC →3 incidents on file

UC Health, LLC notified Montana DOJ of an incident where unauthorized access to employee email accounts occurred July 2-15, 2019, discovered July 6, 2019. Patient PII may have been accessible. No SSN involved. Forensic firm hired; accounts secured and passwords reset.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 4 days

discovery → filing · 30 weeks / 207 days

Jul 2, 2019

Begins

Jul 6, 2019

Discovered

Jan 29, 2020

Filed

vs. sector median

+21 wks slower

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

Illinois State AGbd_45050fd1996186932020-01-01 · +28dVerified

Name: UC Health, LLC
norm: uc health
Domain: uchealth.com

Name: UC Health, LLC
norm: uc health
Domain: uchealth.com
Industry: Healthcarellm

Discovered: Jul 6, 2019
Breach occurred: Jul 2, 2019 – Jul 15, 2019
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 4state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Initial access: phishing_link

During the incident: Secured the accounts
Began an investigation
A leading computer forensic firm was hired to assist
Reset all employee passwords
Limited external email access
Blocked access to malicious sites and IP addresses identified through the investigation of this incident
Increased monitoring of network activity
Continued to educate users on how to identify and avoid malicious emails
Added additional authentication measures for remote email access
Changes made: Reset all employee passwords
Limited external email access
Blocked access to malicious sites and IP addresses identified through the investigation of this incident
Increased monitoring of network activity
Continued to educate users on how to identify and avoid malicious emails
Added additional authentication measures for remote email access
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(207 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 ↗

Illinois State AGJan 1 · first

Montana State AG+28d · this page

Pattern: first filing Jan 1 (IL), last Jan 29 (MT) — a 28-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/UC-CON.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 29, 2020
Raw hash: 2365953f97776ae158fd479dcf455b7c75b64d16050065eecd581c167c5a2fac

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityUC Health, LLC

Victim entityUC Health, LLC

Incidentdiscovered Jul 6, 2019

Stated responseSecured the accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov