AccidentalGovernmentGovernmentMisdeliveryCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)PIIMediumContained

Washington Department of Health

bd_3e559713b359e839 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 26, 2019

Filed

Jun 3, 2019

To disclose

5 weeks

Affected

2state residents only

Linked

3 filings

Confidence

65%

Full breach record for Washington Department of Health →

Washington Department of Health notified Montana that an employee inadvertently emailed a presentation containing embedded personal information (name, SSN, medical data) to external recipients in April 2019. The incident involved a misdelivery of data from a February 2018 webinar. No evidence of misuse was found. The Department offered one year of Experian IdentityWorks credit monitoring.

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Incident timeline

undetected · 84 days

discovery → filing · 5 weeks / 38 days

Feb 1, 2019

Begins

Apr 26, 2019

Discovered

Jun 3, 2019

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_293ff7208eb9bcdf2019-06-03Verified
Washington State AGbd_d10f7ff1ad08d0bd2019-06-03Verified

Name: Washington Department of Health
norm: washington department of health

Name: Washington Department of Health
norm: washington department of health
Industry: Governmentllm

Discovered: Apr 26, 2019
Breach occurred: Feb 1, 2019 – Feb 28, 2019
Undetected for: 84 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PII
Data elements: Social Security numberMedical information
Attack vector: Misconfiguration
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: Internal
Initial access: insider_action

During the incident: Began an investigation to determine who received the presentation
Requested that all external recipients delete it, as well as the email from which it came
Offering a complimentary one-year membership of Experian’s® IdentityWorksSM Credit 3B
Changes made: Review and enhance our measures around data handling in external-facing presentations
Reviewing our workforce training focused on data security and privacy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(38 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGJun 3 · first

Washington State AGJun 3 · first

Montana State AGJun 3 · first · this page

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-4.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 3, 2019
Raw hash: 8b2d91bbbb7d39579de8a4f41990decce9a9d4a1c5c5143bb66c334e0031d538

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityWashington Department of Health

Victim entityWashington Department of Health

Incidentdiscovered Apr 26, 2019

Stated responseBegan an investigation to determine who received the presentation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov