Social EngineeringHospitalityHospitalityPhishingCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancialMediumActive

InterMountain Management

bd_3a93eefaf231e791 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 6, 2017

Filed

Feb 22, 2017

To disclose

16 days

Affected

558state residents only

Linked

4 filings

Confidence

69%

Full breach record for InterMountain Management →

InterMountain Management, LLC reported an email spoofing attack on Feb 3, 2017, where an attacker impersonated the owner to request 2016 W-2 forms. The company disclosed the incident on Feb 6, 2017, and began notifying 558 Washington residents on Feb 21, 2017. Affected data included names, addresses, SSNs, and wage info. The company provided 2 years of credit monitoring and notified the IRS.

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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

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

New Hampshire State AGbd_93181ed22413034e2017-02-22Verified
Montana State AGbd_cb453792427004c82017-02-22Verified
Massachusetts State AGbd_f25b48154468dec62017-02-22Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: InterMountain Management
norm: intermountain management
Industry: Hospitalityllm

Discovered: Feb 6, 2017
Breach occurred: Feb 3, 2017 – Feb 6, 2017
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 21, 2017
Affected individuals: 558state-resident count only
Data types: Identity (basic)Government IDFinancial
Data elements: Social Security numberName
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the Attorney General (Washington)Provided notice to the IRS and state tax authorities
Initial access: phishing_link

During the incident: Providing all potentially affected individuals access to 2 free years of credit monitoring and identity protection services through AllClear ID
Established a dedicated hotline for potentially affected individuals
Providing guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to other state regulators as necessary
Providing notice of this incident to the IRS and state tax authorities
Changes made: Coordinated with the IRS and state tax authorities so that they can better monitor for tax-related fraud
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 ↗

New Hampshire State AGFeb 22 · first

Montana State AGFeb 22 · first

Massachusetts State AGFeb 22 · first

Washington 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM9666.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: 9b191a38844ff7effe2055023efb2e0ee94ba3996de705362d09ff927a5a8cec

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityInterMountain Management

Incidentdiscovered Feb 6, 2017

Stated responseProviding all potentially affected individuals access to 2 free years of credit monitoring and identity protection services through AllClear ID

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com