Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsCustomer Data InvolvedTargetedPIIIdentity (basic)LowContained

Shelton & Company, CPAs, P.C.

bd_c50d0393d3bfc295 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 15, 2024

Filed

Dec 9, 2024

To disclose

17 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Shelton & Company, CPAs, P.C. →

Shelton & Company, CPAs, P.C. notified Montana residents of a data incident discovered on August 15, 2024, where an employee's email mailbox was accessed without authorization. The breach likely exposed client names and other personal information. The firm engaged forensic reviewers, secured the email tenant, and offered 12-24 months of credit monitoring via IDX.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 17 weeks / 116 days

Aug 15, 2024

Discovered

Dec 9, 2024

Filed

vs. sector median

1 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Vermont State AGbd_caac138267f80b582024-12-09Verified
Maine State AGbd_b2b731d9f453b7872024-12-10 · +1dVerified

Name: Shelton & Company, CPAs, P.C.
norm: shelton company cpas

Name: Shelton & Company, CPAs, P.C.
norm: shelton company cpas
Industry: Professional Servicesllm

Discovered: Aug 15, 2024
Materiality determined: —
Notification sent: Dec 9, 2024
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Took steps to ensure the security of our email tenant
Launched an investigation
Engaged an independent team to conduct a comprehensive review
Implemented additional security features
Offering you the opportunity to enroll in credit monitoring and identity protection services through IDX
Changes made: Implemented additional security features to reduce the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(116 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGDec 9 · first

Montana State AGDec 9 · first · this page

Maine 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/2025/03/Consumer-notification-letter-27.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 9, 2024
Raw hash: afc693396d61784cf5115ff0001f546d41640646b4c013e51978d0c5ae403962

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityShelton & Company, CPAs, P.C.

Victim entityShelton & Company, CPAs, P.C.

Incidentdiscovered Aug 15, 2024

Stated responseTook steps to ensure the security of our email tenant

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov