Social EngineeringHealthcareHealthcarePhishingDelayed DiscoveryPHIPIILowContained

UHS of Delaware, Inc.

bd_3d1600fa8e981284 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 5, 2021

Filed

Mar 29, 2023

To disclose

17 months

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 third-party vendor (AHCV) that accessed employee email accounts containing patient PHI. The breach was discovered by the vendor in Nov 2021, but PHI involvement was confirmed in Aug 2022. No evidence of misuse found. 12 months of Experian identity monitoring offered.

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Incident timeline

discovery → filing · 17 months / 509 days

Nov 5, 2021

Discovered

Mar 29, 2023

Filed

vs. sector median

+64 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

HHS OCRbd_37bcab1845c04c1d2023-03-29Verified

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

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

Discovered: Nov 5, 2021
Materiality determined: —
Notification sent: Mar 29, 2023
Affected individuals: 6state-resident count only
Data types: PHIPII
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Initial access: phishing_link

During the incident: Offering 12 months of identity surveillance and restoration services through Experian at no charge
Changes made: Expanding its security measures in light of the incident
Assessing additional training and security reminders to its employees
Counseled its own employees on the incident and best practices
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 months(509 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 ↗

HHS OCRMar 29 · first

Montana State AGMar 29 · 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/OCP/Consumer-notification-letter-148.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 29, 2023
Raw hash: 55e5c63bce2928d3b7bf6b80523b792b8361f5e3db5d78c6744861597b14fb54

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityUHS of Delaware, Inc.

Victim entityUHS of Delaware, Inc.

Incidentdiscovered Nov 5, 2021

Stated responseOffering 12 months of identity surveillance and restoration services through Experian at no charge

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov