MalwareIdentity (basic)Government IDFinancial accountMediumContained

Crestline Hotels & Resorts, LLC

bd_f349a826a1e9cb65 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 27, 2020

Filed

Apr 2, 2021

To disclose

44 weeks

Affected

1state residents only

Linked

6 filings

Confidence

62%

Full breach record for Crestline Hotels & Resorts, LLC →

Crestline Hotels & Resorts, LLC notified Montana residents of a ransomware incident occurring May 25-27, 2020. An unauthorized actor encrypted files and exfiltrated data, threatening release. The actor released an unknown number of files. Impacted data likely included names, government IDs, and financial account numbers. Crestline secured systems, engaged FBI, and offered credit monitoring.

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Incident timeline

undetected · 2 days

discovery → filing · 44 weeks / 310 days

May 25, 2020

Begins

May 27, 2020

Discovered

Apr 2, 2021

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Maine State AGbd_309b9d170bbf63002021-04-02Candidate
California State AGbd_7c15fa108144dedb2021-04-02Verified
Massachusetts State AGbd_80f91b3ac27bbbaf2021-04-02Verified
Indiana State AGbd_d16f0ce62e7e809b2021-04-02Verified

Show 1 more filing ↓up to 6d gap

New Hampshire State AGbd_467127c5bc39b3092021-04-08 · +6dVerified

Name: Crestline Hotels & Resorts, LLC
norm: crestline hotels resorts

Name: Crestline Hotels & Resorts, LLC
norm: crestline hotels resorts

Discovered: May 27, 2020
Breach occurred: May 25, 2020 – May 27, 2020
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 ChannelT1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified the FBI

During the incident: Secured its systems
Implemented additional network and endpoint monitoring
Notified the FBI of this incident
Offering you access to twelve/twenty-four months of complimentary credit monitoring services through Equifax
Changes made: Implemented additional network and endpoint monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 44 weeks(310 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Maine State AGApr 2 · first

California State AGApr 2 · first

Massachusetts State AGApr 2 · first

Indiana State AGApr 2 · first

Montana State AGApr 2 · first · this page

New Hampshire State AG+6d

Pattern: first filing Apr 2 (ME), last Apr 8 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/Crest-Notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 2, 2021
Raw hash: 172e2e4f8af9c8530de1aad0a7a07077549c9f91e9638c66fa177b58b47a908a

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCrestline Hotels & Resorts, LLC

Victim entityCrestline Hotels & Resorts, LLC

Incidentdiscovered May 27, 2020

Stated responseSecured its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov