MINNESOTAMisuseHealthcareHealthcarePrivilege AbuseCustomer Data InvolvedDelayed DiscoveryHealth (basic)Identity (basic)LowResolved

Mayo Clinic Health System- Red Wing

bd_8c722bdc20a70bb6 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 18, 2015

Filed

Jul 13, 2015

To disclose

8 weeks

Affected

601

Confidence

96%

Full breach record for Mayo Clinic Health System- Red Wing →

Mayo Clinic Health System - Red Wing (MN) reported to HHS on 2015-07-13 an Unauthorized Access/Disclosure affecting 601 individuals. On May 18, 2015, an access audit revealed a CE employee had accessed patients' electronic medical records beyond their authorized scope since 2009. PHI involved included patients' diagnoses and medical conditions. OCR investigated; the CE retrained its revenue department on privacy rules and provided written assurances of corrective action. Breached information located in Electronic Medical Records.

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HIPAA clock✓ HHS report on time8 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 2328 days

discovery → filing · 8 weeks / 56 days

Jan 1, 2009

Begins

May 18, 2015

Discovered

Jul 13, 2015

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed601 affectedView incident

Name: Mayo Clinic Health System- Red Wing
norm: mayo clinic health system red wing
Domain: mayoclinichealthsystem.org
Industry: Health Care Services

Name: Mayo Clinic Health System- Red Wing
norm: mayo clinic health system red wing
Domain: mayoclinichealthsystem.org
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: May 18, 2015
Breach occurred: Jan 1, 2009 – May 18, 2015
Undetected for: 2,328 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 601nationwide
Data types: Health (basic)Identity (basic)
HHS breach type: Unauthorized access or disclosure
Where the data lived: Electronic medical record
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: Internal
Regulator citations: OCR investigation conductedOCR obtained written assurances of corrective actionCE retrained revenue department (Red Wing SE Minnesota Region) on privacy rules
Initial access: insider_action

During the incident: Breach notification provided to HHS, affected individuals, and media
Revenue department retrained on privacy rules
Corrective action plan implemented per OCR written assurances
Changes made: Retraining of revenue department staff on HIPAA privacy rules
Implementation of corrective action steps confirmed via written assurances to OCR
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: HHS report on timeHHS notified
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: May 18, 2015
→ Notified: not extracted
— 60 days HHS report on time
HIPAA
Discovered: May 18, 2015
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: May 18, 2015 → Notified: not extracted	—	60 days	HHS report on time
HIPAA	Discovered: May 18, 2015 → 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 13, 2015
Raw hash: 5984773f074d53bba7dc9f9d94eb011aa66ac38c3a8e81d324ddeb485fdd9290

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Reporting entityMayo Clinic Health System- Red Wing

Victim entityMayo Clinic Health System- Red Wing

Incidentdiscovered May 18, 2015

Stated responseBreach notification provided to HHS, affected individuals, and media

ComplianceHHS report on time

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing