MISSISSIPPIMalwareHealthcareHealthcareRansomwareCustomer Data InvolvedData EncryptedHealth (basic)Identity (basic)PHIMediumResolved

University of Mississippi Medical Center

bd_e6b1f21dce38dae4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 7, 2017

Filed

Jul 7, 2017

To disclose

9 weeks

Affected

7,492

Confidence

96%

Full breach record for University of Mississippi Medical Center →2 incidents on file

University of Mississippi Medical Center (MS) reported to HHS OCR on 2017-07-07 a Hacking/IT Incident affecting 7,492 individuals. On May 7, 2017, ransomware encrypted data on a segregated network server containing records from a legacy electronic medical record system last used ~May 2016. Affected data included demographic, clinical, and health insurance information. The CE was under an active OCR Corrective Action Plan at the time; it revised security policies, conducted an enterprise-wide risk analysis, and fulfilled all notification obligations. Breached info located on Electronic Medical Record and Network Server.

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HIPAA clock✓ HHS notified9 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 · 9 weeks / 61 days

May 7, 2017

Begins

May 7, 2017

Discovered

Jul 7, 2017

Filed

vs. sector median

on median

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed7,492 affectedView incident

Name: University of Mississippi Medical Center
norm: university of mississippi medical center
Domain: umc.edu
Industry: Health Care Services

Name: University of Mississippi Medical Center
norm: university of mississippi medical center
Domain: umc.edu
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: May 7, 2017
Breach occurred: May 7, 2017
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 7,492nationwide
Data types: Health (basic)Identity (basic)PHI
HHS breach type: Hacking / IT incident
Where the data lived: Electronic medical recordNetwork server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: HHS OCR Corrective Action Plan (CAP) active at time of breachOCR Pacific Region monitoringOCR obtained assurances of corrective action and notification compliance

During the incident: Breach notification sent to HHS, affected individuals, media, and published on website
Internal investigation conducted
Substantially revised security policies
Conducted enterprise-wide risk analysis
Working with internal monitor to ensure CAP compliance
Changes made: Revised security policies
Enterprise-wide risk analysis
Compliance monitoring under existing OCR Corrective Action Plan
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(61 days from discovery to filing)
Compliance flags: HHS notified
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.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: May 7, 2017
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: May 7, 2017 → Notified: not extracted	—	regulatory submission	HHS notified

Status: No extraction artifact recorded for this disclosure.

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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Jul 7, 2017
Raw hash: 8bcc726e9e8f8cf3dd944549e1db668c578a435e7b7f92ad55d4529acb1f767e

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Reporting entityUniversity of Mississippi Medical Center

Victim entityUniversity of Mississippi Medical Center

Incidentdiscovered May 7, 2017

Stated responseBreach notification sent to HHS, affected individuals, media, and published on website

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing