MalwareHealthcareHealthcareRansomwareData EncryptedPHIHealth (basic)LowContained

Colorado Eye Clinic

bd_a3d04961c7616aa9 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 8, 2019

Filed

Jun 28, 2019

To disclose

7 weeks

Affected

4state residents only

Confidence

63%

Colorado Eye Clinic suffered a ransomware attack on March 7, 2019, encrypting devices with electronic medical records. On May 8, 2019, the clinic discovered that retinal scans were unrecoverable. No evidence of misuse was found. The clinic restored systems from backups and implemented enhanced security protocols, including password resets and advanced threat protection.

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Incident timeline

undetected · 62 days

discovery → filing · 7 weeks / 51 days

Mar 7, 2019

Begins

May 8, 2019

Discovered

Jun 28, 2019

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4 affectedView incident

Name: Colorado Eye Center
norm: colorado eye center

Name: Colorado Eye Clinic
norm: colorado eye clinic
Industry: Healthcarellm

Discovered: May 8, 2019
Breach occurred: Mar 7, 2019
Undetected for: 62 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 8, 2019
Affected individuals: 4state-resident count only
Data types: PHIHealth (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Took swift action to prevent further infection
Restored our network from backup files
Auditing user privileges within the network
Enhanced security protocols for affected systems
Forced password changes for all users
Implemented advanced threat protection for identifying and analyzing e-mail-based threats
Changes made: Auditing user privileges within the network
Enhanced security protocols for affected systems
Forced password changes for all users
Implemented advanced threat protection for identifying and analyzing e-mail-based threats
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(51 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://dojmt.gov/wp-content/uploads/OCP/Breach-NotificationDetails-16.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 28, 2019
Raw hash: b41125004da368e3114a82e96cadf68dbd536f12f7e6f22c308ef619e71d8a4d

Reporting entityColorado Eye Center

Victim entityColorado Eye Clinic

Incidentdiscovered May 8, 2019

Stated responseTook swift action to prevent further infection

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov