MalwareHospitalityHospitalityInfostealerData ExfiltratedTargetedPIIFinancial accountIdentity (basic)LowContained

HEI Hotels & Resorts

bd_0f26bbce75cef0d1 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 21, 2016

Filed

Aug 12, 2016

To disclose

7 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

65%

Full breach record for HEI Hotels & Resorts →

HEI Hotels & Resorts notified Montana AG of a malware incident affecting payment card data (names, account numbers, expiration dates, verification codes) at multiple properties. Unauthorized individuals installed malicious software on payment processing systems. Incident occurred between March 2015 and June 2016. HEI engaged forensic experts, disabled malware, isolated payment systems, and contacted law enforcement. Incident is contained.

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Incident timeline

undetected · 478 days

discovery → filing · 7 weeks / 52 days

Mar 1, 2015

Begins

Jun 21, 2016

Discovered

Aug 12, 2016

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

New Hampshire State AGbd_4c86346afddc039d2016-08-12Verified
California State AGbd_de8180f36bdf09512016-08-12Verified

Name: HEI Hotels & Resorts
norm: hei hotels resorts

Name: HEI Hotels & Resorts
norm: hei hotels resorts
Industry: Hospitalityllm

Discovered: Jun 21, 2016
Breach occurred: Mar 1, 2015 – Jun 21, 2016
Undetected for: 478 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 12, 2016
Affected individuals: Not disclosed
Data types: PIIFinancial accountIdentity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1056 Input CaptureT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: contacted law enforcement

During the incident: Engaged outside data forensic experts to assist us in investigating and remediating the situation
Transitioning payment card processing to a stand -alone system that is completely separated from the rest of our network
Disabled the malware
Reconfiguring various components of our network and payment systems to enhance the security of these systems
Contacted law enforcement and will continue to cooperate with their investigation
Coordinating with the banks and payment card companies
Changes made: Reconfiguring various components of our network and payment systems to enhance the security of these systems
Transitioning payment card processing to a stand -alone system that is completely separated from the rest of our network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(52 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 ↗

New Hampshire State AGAug 12 · first

California State AGAug 12 · first

Montana State AGAug 12 · 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/HEI-Hotels-and-Resorts.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 12, 2016
Raw hash: f3846a9b8ea1e5bf96b029be54d06535d1d17bb39c2ee3440c51dcea619992d8

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHEI Hotels & Resorts

Victim entityHEI Hotels & Resorts

Incidentdiscovered Jun 21, 2016

Stated responseEngaged outside data forensic experts to assist us in investigating and remediating the situation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov