Social EngineeringTechnologyInformationPhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDMediumContained

CLEANSPARK, INC.

bd_7110ddb4239841a6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 29, 2023

Filed

Oct 20, 2023

To disclose

7 weeks

Affected

3state residents only

Linked

2 filings

Confidence

66%

Full breach record for CLEANSPARK, INC. →

CleanSpark, Inc. notified Montana residents of a data incident where an unauthorized individual accessed an employee's Microsoft 365 account on August 29, 2023. The access likely involved names and Social Security numbers. CleanSpark blocked access, engaged forensic experts, and is offering one year of free credit monitoring and identity theft protection through Experian.

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Incident timeline

discovery → filing · 7 weeks / 52 days

Aug 29, 2023

Begins

Aug 29, 2023

Discovered

Oct 20, 2023

Filed

vs. sector median

11 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_32af0484df56004e2023-10-23 · +3dVerified

Name: CLEANSPARK, INC.
norm: cleanspark
Domain: cleanspark.com

Name: CLEANSPARK, INC.
norm: cleanspark
Domain: cleanspark.com
Industry: Technologyllm

Discovered: Aug 29, 2023
Breach occurred: Aug 29, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 20, 2023
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Launched an internal investigation
Unauthorized access was promptly blocked
Outside forensic experts were engaged to conduct a thorough investigation
Offering you one (1) year of free credit monitoring and identity theft protection through Experian
Changes made: Taken steps to further guard against unauthorized access to our employees’ Microsoft 365 accounts
Continuing to take steps to enhance its security measures
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 · 2 filings · 2 states

View merged incident ↗

Montana State AGOct 20 · first · this page

Indiana State AG+3d

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/OCP/Consumer-notification-letter-787.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 20, 2023
Raw hash: 3e69ca191171c65815be009f16512f5c7a30f1413525bec1d679d097368fb310

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityCLEANSPARK, INC.

Victim entityCLEANSPARK, INC.

Incidentdiscovered Aug 29, 2023

Stated responseLaunched an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov