HackingHealthcareHealthcareData ExfiltratedRansom DemandedTargetedPIIPHIIdentity (basic)Government IDHealth (basic)Financial accountHighContained

University Medical Center of Southern Nevada

bd_756fa6a223b1263e · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 14, 2021

Filed

Oct 11, 2021

To disclose

17 weeks

Affected

3,572state residents only

Linked

8 filings

Confidence

70%

Full breach record for University Medical Center of Southern Nevada →5 incidents on file

University Medical Center of Southern Nevada (UMC) reported a cyberattack on June 14, 2021, compromising files containing PII and PHI of 3,572 Washington residents. The incident was contained by June 15, 2021. UMC notified the FBI, HHS OCR, and affected individuals, offering identity protection services.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d17 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 17 weeks / 119 days

Jun 14, 2021

Begins

Jun 14, 2021

Discovered

Oct 11, 2021

Filed

vs. sector median

+8 wks slower

This filing is one of 8 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

New Hampshire State AGbd_d0c1f4f3c23b91252021-10-08 · +3dVerified
California State AGbd_8cd435f422ca0e842021-10-15 · +4dVerified
Hawaii State AGbd_b5a43b495ad8cbd72021-10-04 · +7dVerified
Oregon State AGbd_d23eb997abdde2de2021-10-20 · +9dVerified

Show 3 more filings ↓up to 70d gap

Maine State AGbd_bceb7eed3b6af9bd2021-10-26 · +15dVerified
HHS OCRbd_63cc22340e1652572021-08-13 · +59dVerified
Indiana State AGbd_eca87a0728f343752021-08-02 · +70dVerified

Name: University Medical Center of Southern Nevada
norm: university medical center of southern nevada

Name: University Medical Center of Southern Nevada
norm: university medical center of southern nevada
Industry: Healthcarellm

Discovered: Jun 14, 2021
Breach occurred: Jun 14, 2021 – Jun 15, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 2, 2021
Affected individuals: 3,572state-resident count only
Data types: PIIPHIIdentity (basic)Government IDHealth (basic)Financial account
Data elements: NameSocial Security numberDate of birthHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Reported the cyberattack to the Office of Civil Rights at the United States Department of Health and Human Services on August 13, 2021
Initial access: exploit_public_facing

During the incident: Acted swiftly to secure the hospital's network and end the compromise
Restricted external access to UMC servers
Notified the FBI and the Las Vegas Metropolitan Police Department
Engaged in security initiatives, including working closely with external cyber security professionals
Updating internal and external technology solutions
Partnered with IDX to offer complimentary identity protection services
Changes made: Updating internal and external technology solutions in order to further strengthen UMC from cyberattacks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(119 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Indiana State AGAug 2 · first

HHS OCR+11d

Hawaii State AG+63d

New Hampshire State AG+67d

Washington State AG+70d · this page

California State AG+74d

Oregon State AG+79d

Maine State AG+85d

Pattern: first filing Aug 2 (IN), last Oct 26 (ME) — a 85-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM11113.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 11, 2021
Raw hash: 6af639b691907b493dcbe145ab73b49438b0b05c4c1a88174793eafe186a841e

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityUniversity Medical Center of Southern Nevada

Victim entityUniversity Medical Center of Southern Nevada

Incidentdiscovered Jun 14, 2021

Stated responseActed swiftly to secure the hospital's network and end the compromise

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com