AccidentalTechnologyInformationMisdeliveryCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

Imbio LLC

bd_16417c8b709c214a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 5, 2019

Filed

Apr 12, 2019

To disclose

7 days

Affected

1state residents only

Confidence

65%

Full breach record for Imbio LLC →

Imbio LLC disclosed K-1 statements containing member names and SSNs to all members via email on April 5, 2019. The disclosure was inadvertent; the firm retained legal counsel, sent amended statements, and provided 24 months of Experian identity protection. No crime was involved.

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Incident timeline

discovery → filing · 7 days

Apr 5, 2019

Begins

Apr 5, 2019

Discovered

Apr 12, 2019

Filed

vs. sector median

18 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Imbio LLC
norm: imbio

Name: Imbio LLC
norm: imbio
Industry: Technologyllm

Discovered: Apr 5, 2019
Breach occurred: Apr 5, 2019
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 12, 2019
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Misconfiguration
MITRE ATT&CK: T1119 Automated Collection
Regulator citations: Notified Montana Office of the Commissioner of Insurance and Securities

During the incident: Launched an internal investigation
Retained a leading cybersecurity law firm to assist us in our investigation
Working with the accounting firm responsible for generating the K-1 disclosures
Sending out amended K-1 statements
Request that you delete the version we sent you last week
Arranged to have Experian protect your identity for 24 months at no cost to you
Changes made: Understand how and why this occurred and to prevent future disclosures of this nature
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 days(7 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/CON-Imbio-Template-C1.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 12, 2019
Raw hash: 4bd761ec69f2a8517a5d0d6936135c332ec4be6ffab6c92b1c972c81b927285e

Reporting entityImbio LLC

Victim entityImbio LLC

Incidentdiscovered Apr 5, 2019

Stated responseLaunched an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov