HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Carlson Building Maintenance

bd_e9e8b0439e0a81dc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 2, 2018

Filed

May 31, 2019

To disclose

30 weeks

Affected

1state residents only

Confidence

65%

Full breach record for Carlson Building Maintenance →4 incidents on file

Carlson Building Maintenance, Inc. notified Montana residents that unauthorized access to two employee email accounts occurred between June 8 and November 2, 2018. The investigation concluded May 6, 2019, revealing customer PII, government IDs, and financial data were compromised. The company offered one year of credit monitoring.

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Incident timeline

undetected · 147 days

discovery → filing · 30 weeks / 210 days

Jun 8, 2018

Begins

Nov 2, 2018

Discovered

May 31, 2019

Filed

vs. sector median

+12 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Carlson Building Maintenance
norm: carlson building maintenance
Domain: carlsonbuildin.com

Name: Carlson Building Maintenance
norm: carlson building maintenance
Domain: carlsonbuildin.com
Industry: Professional Servicesllm

Discovered: Nov 2, 2018
Breach occurred: Jun 8, 2018 – Nov 2, 2018
Undetected for: 147 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 19, 2019
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Offering you a complimentary one-year membership of Experian IdentityWorksSM Credit 3B
Changes made: Continually evaluate and modify and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(210 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/Breach-NotificationDetails-1.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 31, 2019
Raw hash: 901605eb2811748e8610a8288221141f0a48b27c3c6aa5aedbfb8f744fb0b8ff

Reporting entityCarlson Building Maintenance

Victim entityCarlson Building Maintenance

Incidentdiscovered Nov 2, 2018

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov