Social EngineeringProfessional ServicesProfessional ServicesPhishingTargetedPIIIdentity (basic)LowContained

Grund & Leavitt, P.C.

bd_634f1e1ad0f00603 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 21, 2021

Filed

Jun 21, 2021

To disclose

4 weeks

Affected

1state residents only

Linked

2 filings

Confidence

65%

Full breach record for Grund & Leavitt, P.C. →2 incidents on file

Grund & Leavitt, P.C. notified Montana residents of a phishing incident where unauthorized parties accessed two employee email accounts between April 21-29, 2020. The firm discovered the breach on May 21, 2021. Personal information was accessed, but SSNs were not included. No evidence of misuse was found.

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Incident timeline

undetected · 395 days

discovery → filing · 4 weeks / 31 days

Apr 21, 2020

Begins

May 21, 2021

Discovered

Jun 21, 2021

Filed

vs. sector median

14 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_aa43e83e50082b9f2021-06-21Verified

Name: Grund & Leavitt, P.C.
norm: grund leavitt

Name: Grund & Leavitt, P.C.
norm: grund leavitt
Industry: Professional Servicesllm

Discovered: May 21, 2021
Breach occurred: Apr 21, 2020 – Apr 29, 2020
Undetected for: 395 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Initial access: phishing_link

During the incident: Secured the accounts
Commenced a prompt and thorough investigation
Worked very closely with external cybersecurity professionals
Changes made: Continually evaluate and modify practices to enhance security and privacy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(31 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 ↗

Indiana State AGJun 21 · first

Montana State AGJun 21 · 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/a-notif-41.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 21, 2021
Raw hash: 4133c024682d36dfae47f9f6142fb480f76b2a0733cd8b58f68df2ed0118a4fd

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityGrund & Leavitt, P.C.

Victim entityGrund & Leavitt, P.C.

Incidentdiscovered May 21, 2021

Stated responseSecured the accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov