Social EngineeringProfessional ServicesProfessional ServicesPhishingCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancialMediumContained

InterMountain Management

bd_cb453792427004c8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 6, 2017

Filed

Feb 22, 2017

To disclose

16 days

Affected

49state residents only

Linked

4 filings

Confidence

64%

Full breach record for InterMountain Management →

InterMountain Management, LLC notified individuals of an email spoofing attack on Feb 3, 2017, where W-2 forms were fraudulently sent. Discovered Feb 6, 2017. Data included names, addresses, SSNs, and wages. Identity protection services offered.

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Incident timeline

undetected · 3 days

discovery → filing · 16 days

Feb 3, 2017

Begins

Feb 6, 2017

Discovered

Feb 22, 2017

Filed

vs. sector median

16 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Washington State AGbd_3a93eefaf231e7912017-02-22Candidate
New Hampshire State AGbd_93181ed22413034e2017-02-22Verified
Massachusetts State AGbd_f25b48154468dec62017-02-22Verified

Name: InterMountain Management
norm: intermountain management

Name: InterMountain Management
norm: intermountain management
Industry: Professional Servicesllm

Discovered: Feb 6, 2017
Breach occurred: Feb 3, 2017
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 21, 2017
Affected individuals: 49state-resident count only
Data types: Identity (basic)Government IDFinancial
Attack vector: Phishing
MITRE ATT&CK: T1598 Phishing for InformationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Coordinated with the IRSCoordinated with state tax authorities
Initial access: phishing_link

During the incident: Coordinated with the IRS and state tax authorities
Providing notice of this incident to certain state regulators
Arranged to have AllClear ID protect your identity for 24 months at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 days(16 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Washington State AGFeb 22 · first

New Hampshire State AGFeb 22 · first

Massachusetts State AGFeb 22 · first

Montana State AGFeb 22 · 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/InterMountain-Management.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 22, 2017
Raw hash: f7a75b7f6c52fe6211071a708a36be3f080fda42b1d414dd7690eb02fb6c5f80

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityInterMountain Management

Victim entityInterMountain Management

Incidentdiscovered Feb 6, 2017

Stated responseCoordinated with the IRS and state tax authorities

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov