Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDMediumActive

Gary Kasper & Company, Inc

bd_6cc7c1b9b8456404 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 14, 2024

Filed

Jun 21, 2024

To disclose

7 days

Affected

133state residents only

Confidence

65%

Full breach record for Gary Kasper & Company, Inc →

Gary Kasper & Company, Inc. notified Montana residents of a data incident where an unknown third party used the firm's IRS Electronic Filing Identification Number to file fraudulent tax returns. Unauthorized access occurred between May 28 and June 4, 2024, discovered on June 14, 2024. Affected data likely included names and SSNs. The firm engaged forensic professionals, reported to the IRS, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 17 days

discovery → filing · 7 days

May 28, 2024

Begins

Jun 14, 2024

Discovered

Jun 21, 2024

Filed

vs. sector median

18 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed133 affectedView incident

Name: Gary Kasper & Company, Inc
norm: gary kasper

Name: Gary Kasper & Company, Inc
norm: gary kasper
Industry: Professional Servicesllm

Discovered: Jun 14, 2024
Breach occurred: May 28, 2024 – Jun 4, 2024
Undetected for: 17 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 21, 2024
Affected individuals: 133state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Reported the incident to the IRS and state tax authorities
Initial access: phishing_link

During the incident: Commenced a prompt and thorough investigation
Reported the incident to the IRS and state tax authorities
Working very closely with external security and privacy professionals
Offering a complimentary 12-month membership credit monitoring through Equifax
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 days(7 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/Consumer-notification-letter-1500.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 21, 2024
Raw hash: 3bb201bfd2c5e9efd057fa89f5e3be1b265f075e9dc0c5f7ecc399aa72df0fb3

Reporting entityGary Kasper & Company, Inc

Victim entityGary Kasper & Company, Inc

Incidentdiscovered Jun 14, 2024

Stated responseCommenced a prompt and thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov