Social EngineeringHealthcareTechnologyHealthcarePhishingTargetedPIIIdentity (basic)Health (basic)LowContained

Outset Medical, Inc

bd_2c47d49d64980d87 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 14, 2023

Filed

Nov 2, 2023

To disclose

7 weeks

Affected

3state residents only

Confidence

67%

Full breach record for Outset Medical, Inc →

Outset Medical, Inc. notified Montana consumers of a phishing incident discovered on September 14, 2023. An employee's email account was compromised, exposing names, addresses, emails, and limited medical information related to home dialysis service inquiries. No SSN, financial data, or government IDs were impacted. The company secured the account and provided employee training.

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Incident timeline

discovery → filing · 7 weeks / 49 days

Sep 14, 2023

Discovered

Nov 2, 2023

Filed

vs. sector median

6 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3 affectedView incident

Name: Outset Medical, Inc
norm: outset medical
Domain: outsetmedical.com

Name: Outset Medical, Inc
norm: outset medical
Domain: outsetmedical.com
Industry: HealthcarellmTechnologyllm

Discovered: Sep 14, 2023
Materiality determined: —
Notification sent: —
Affected individuals: 3state-resident count only
Data types: PIIIdentity (basic)Health (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Initial access: phishing_link

During the incident: Secured the Outset employee’s credentials and the impacted account
Provided additional training and education to all employees regarding the risk of phishing attacks
Changes made: Provided additional training and education to all employees regarding the risk of phishing attacks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(49 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/Consumer-notification-letter-813.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 2, 2023
Raw hash: 04b55c463188dd943ad279fcd70cd60c14e2eb69fed97c67b980f2ff8e7f7524

Reporting entityOutset Medical, Inc

Victim entityOutset Medical, Inc

Incidentdiscovered Sep 14, 2023

Stated responseSecured the Outset employee’s credentials and the impacted account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov