MalwareFinancial ServicesFinanceRansomwareData EncryptedRansom DemandedPIIIdentity (basic)LowContained

Cayan, LLC

bd_60570ed7ac02e6e7 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Apr 22, 2021

To disclose

—

Affected

8state residents only

Linked

5 filings

Confidence

66%

Full breach record for Cayan, LLC →3 incidents on file

Cayan, LLC notified Montana residents of a ransomware attack affecting corporate back-office systems between Oct 29 and Nov 18, 2020. Personal information was accessed. Cayan contained the incident, engaged forensic experts, and notified law enforcement. Affected individuals received two years of credit monitoring via Equifax.

J jump to incidentP pin to compareR raw source

Incident timeline

Oct 29, 2020

Begins

Apr 22, 2021

Filed

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_d54bd9bb139fabb62021-04-22Verified
Massachusetts State AGbd_fcc9ef38145573be2021-04-22Verified
New Hampshire State AGbd_b433fc71f0d11dc02021-04-26 · +4dVerified
Maine State AGbd_8cec46a434362ca62021-02-19 · +62dCandidate

Name: Cayan, LLC
norm: cayan

Name: Cayan, LLC
norm: cayan
Industry: Financial Servicesllm

Discovered: —
Breach occurred: Oct 29, 2020 – Nov 18, 2020
Materiality determined: —
Notification sent: Apr 19, 2021
Affected individuals: 8state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: notified law enforcement

During the incident: Isolated and contain all systems
Launched an investigation
Notified law enforcement
Retained third-party forensic experts
Replaced and further secured the impacted portion of the affected environment
Changes made: Replaced and further secured the impacted portion of the affected environment
Additional alerting and Multi-Factor Authentication (MFA)
Re-tuned and expanded our Data Loss Prevention (DLP) measures
Provided credit monitoring and identity theft protection services for two years at no charge via Equifax
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Maine State AGFeb 19 · first

Indiana State AG+62d

Massachusetts State AG+62d

Montana State AG+62d · this page

New Hampshire State AG+66d

Pattern: first filing Feb 19 (ME), last Apr 26 (NH) — a 66-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/Cayan-Notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 22, 2021
Raw hash: e611734ba6a0e5c8969f848063d18e2598a168ec903b3fe3c01f0e94ec4898d3

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityCayan, LLC

Victim entityCayan, LLC

IncidentRansomware

Stated responseIsolated and contain all systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov