Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedIdentity (basic)Health (basic)FinancialLowContained

UHS of Delaware, Inc.

bd_87e68b5481b222b8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 18, 2023

Filed

May 16, 2023

To disclose

17 weeks

Affected

6state residents only

Linked

2 filings

Confidence

66%

Full breach record for UHS of Delaware, Inc. →3 incidents on file

UHS of Delaware notified Montana residents of a phishing incident affecting a service provider's email system. Unauthorized access occurred around Jan 9, 2023. Patient info (names, medical records, billing) was potentially viewed. No SSN or financial payment info was involved. Remediation included credential resets, security training, and 12 months of Experian identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 9 days

discovery → filing · 17 weeks / 118 days

Jan 9, 2023

Begins

Jan 18, 2023

Discovered

May 16, 2023

Filed

vs. sector median

+6 wks slower

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

Illinois State AGbd_29ee934951aba1ac2023-01-01 · +135dCandidate

Name: UHS of Delaware, Inc.
norm: uhs of delaware

Name: UHS of Delaware, Inc.
norm: uhs of delaware
Industry: Healthcarellm

Discovered: Jan 18, 2023
Breach occurred: Jan 9, 2023
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 17, 2023
Affected individuals: 6state-resident count only
Data types: Identity (basic)Health (basic)Financial
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Reset the account credentials
Launched an investigation into the nature and scope of the incident
Offering 12 months of identity surveillance and restoration services through Experian at no charge
Changes made: Email security measures are being reviewed and enhanced
Additional training and security reminders for relevant staff
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(118 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+135d · this page

Pattern: first filing Jan 1 (IL), last May 16 (MT) — a 135-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-284.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 16, 2023
Raw hash: 839e1b123d5de1f0222fbe829e4c749ba48d55b944a44756b6d7481957a773a6

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityUHS of Delaware, Inc.

Victim entityUHS of Delaware, Inc.

Incidentdiscovered Jan 18, 2023

Stated responseReset the account credentials

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov