HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedCustomer Data InvolvedPIIIdentity (basic)LowContained

Sigrist, Creek, Potter & Huyser, PLLC

bd_7f974b40c4b13e0f · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 11, 2023

Filed

Jan 24, 2024

To disclose

28 weeks

Affected

7state residents only

Linked

3 filings

Confidence

64%

Full breach record for Sigrist, Creek, Potter & Huyser, PLLC →

Sigrist, Creek, Potter & Huyser, PLLC disclosed a cyber incident where unauthorized actors accessed employee email and cloud storage between June 6 and July 12, 2023. The firm discovered suspicious activity on July 11, 2023. Customer names and potentially other PII were impacted. The firm engaged forensic specialists, notified law enforcement and tax authorities, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 35 days

discovery → filing · 28 weeks / 197 days

Jun 6, 2023

Begins

Jul 11, 2023

Discovered

Jan 24, 2024

Filed

vs. sector median

+11 wks slower

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

New Hampshire State AGbd_b084ffe49bee1fb72024-01-24Verified
Indiana State AGbd_e875298b2e2189a02024-01-24Verified

Name: Sigrist, Creek, Potter & Huyser, PLLC
norm: sigrist creek potter huyser

Name: Sigrist, Creek, Potter & Huyser, PLLC
norm: sigrist creek potter huyser
Industry: Professional Servicesllm

Discovered: Jul 11, 2023
Breach occurred: Jun 6, 2023 – Jul 12, 2023
Undetected for: 35 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 24, 2024
Affected individuals: 7state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: notified federal law enforcementnotified the IRSnotified state tax authoritiesnotifying state regulators, as required
Initial access: valid_credentials

During the incident: Immediately took steps to secure our email tenant and storage site
Launched an investigation, with the assistance of third-party forensic specialists
Undertook a thorough and comprehensive review of all data potentially impacted
Notified federal law enforcement, the IRS, and state tax authorities
Offering complimentary access to [Extra3] months of credit monitoring services through Experian
Changes made: Working to implement additional security measures to further protect against similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(197 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 ↗

New Hampshire State AGJan 24 · first

Indiana State AGJan 24 · first

Montana State AGJan 24 · first · this page

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-1050.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 24, 2024
Raw hash: 84cb8e957b4c03096e13f0f9de03cd73caebe4579ea38a063c49e822edddac6c

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entitySigrist, Creek, Potter & Huyser, PLLC

Victim entitySigrist, Creek, Potter & Huyser, PLLC

Incidentdiscovered Jul 11, 2023

Stated responseImmediately took steps to secure our email tenant and storage site

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov