Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Brown & Stromecki Agency, Inc

bd_c809bdf61cc2de8e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 22, 2024

Filed

Mar 12, 2024

To disclose

19 days

Affected

1state residents only

Linked

2 filings

Confidence

65%

Full breach record for Brown & Stromecki Agency, Inc →

Brown & Stromecki Agency, Inc. notified Montana residents of a data security incident involving unauthorized access to a user's email account between Nov 17 and Dec 4, 2023. The attacker accessed mailbox contents, identifying affected individuals by name and government ID/financial data. The agency secured the account, investigated, and offered one year of Equifax credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 97 days

discovery → filing · 19 days

Nov 17, 2023

Begins

Feb 22, 2024

Discovered

Mar 12, 2024

Filed

vs. sector median

7 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

Massachusetts State AGbd_ecc6e8b0e258fc032024-03-13 · +1dVerified

Name: Brown & Stromecki Agency, Inc
norm: brown stromecki agency

Name: Brown & Stromecki Agency, Inc
norm: brown stromecki agency
Industry: Financial Servicesllm

Discovered: Feb 22, 2024
Breach occurred: Nov 17, 2023 – Dec 4, 2023
Undetected for: 97 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 22, 2024
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Secured the email account
Launched an investigation
Offering a free one-year membership to Equifax CompleteTM Premier credit and identity monitoring
Changes made: Continuing to enhance our security processes
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 days(19 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 AGMar 12 · first · this page

Massachusetts State AG+1d

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-1183.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 12, 2024
Raw hash: f41daecc8c9230ccc2533c9d881e53b0a73db25da351d65ff1354b8f6c65bdec

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityBrown & Stromecki Agency, Inc

Victim entityBrown & Stromecki Agency, Inc

Incidentdiscovered Feb 22, 2024

Stated responseSecured the email account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov