WYOMINGSocial EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountHighResolved

Cheyenne Regional Medical Center

bd_7e613ad25e4d890c · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Dec 10, 2019

To disclose

—

Affected

17,549

Confidence

97%

Full breach record for Cheyenne Regional Medical Center →2 incidents on file

Cheyenne Regional Medical Center (WY) reported to HHS OCR on 2019-12-10 a Hacking/IT Incident (email phishing scheme) affecting 17,549 individuals. Several employees were victims of a phishing attack that compromised ePHI including names, addresses, Social Security numbers, claims and financial information, diagnoses, medications prescribed, and other treatment information. Breached information was located in Email. No business associate was involved. OCR obtained assurances that corrective actions were implemented.

J jump to incidentP pin to compareR raw source

HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Dec 10, 2019

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed17,549 affectedView incident

Name: Cheyenne Regional Medical Center
norm: cheyenne regional medical center
Industry: Health Care Services

Name: Cheyenne Regional Medical Center
norm: cheyenne regional medical center
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 17,549nationwide
Data types: Identity (basic)Government IDHealth (basic)Financial account
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566 PhishingT1078 Valid Accounts
Threat actor: External
Regulator citations: HHS OCR — corrective action assurances obtained
Initial access: phishing_link

During the incident: Notified HHS, affected individuals, and the media
Implemented additional administrative, technical, and security safeguards
Retrained workforce members on identifying fraudulent email communications
Changes made: Additional administrative safeguards implemented
Additional technical safeguards implemented
Additional security safeguards implemented
Workforce phishing awareness retraining conducted
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → 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: Dec 10, 2019
Raw hash: ea1fba69d9e9d709d5a261a183ffd4526215aeeab20cfeeef242582f27e14c82

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

text/html1.7 KB

Download View at source

Reporting entityCheyenne Regional Medical Center

Victim entityCheyenne Regional Medical Center

IncidentUnauthorized Access

Stated responseNotified HHS, affected individuals, and the media

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing