HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedData ExfiltratedIdentity (basic)Government IDFinancial accountMediumContained

Frank J. Pavlica, CPA LTD

bd_8e69658e2634e99b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 26, 2023

Filed

Oct 26, 2023

To disclose

4 weeks

Affected

1state residents only

Confidence

65%

Full breach record for Frank J. Pavlica, CPA LTD →2 incidents on file

Frank J. Pavlica, CPA, LTD notified Montana residents of a security incident where an unauthorized user accessed its tax filing program between July 29 and September 26, 2023. The attacker attempted to redirect tax refunds. Impacted data included names, SSNs, DOBs, and financial account info. The firm engaged forensic specialists, notified the IRS, and offered 24 months of credit monitoring.

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Incident timeline

undetected · 59 days

discovery → filing · 4 weeks / 30 days

Jul 29, 2023

Begins

Sep 26, 2023

Discovered

Oct 26, 2023

Filed

vs. sector median

14 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Frank J. Pavlica, CPA LTD
norm: frank j pavlica cpa

Name: Frank J. Pavlica, CPA LTD
norm: frank j pavlica cpa
Industry: Professional Servicesllm

Discovered: Sep 26, 2023
Breach occurred: Jul 29, 2023 – Sep 26, 2023
Undetected for: 59 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 25, 2023
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified the Internal Revenue Service (IRS)Notified state tax authorities
Initial access: valid_credentials

During the incident: Launched an investigation with the assistance of third-party forensic specialists
Notified the Internal Revenue Service (IRS) and state tax authorities
Implemented additional safeguards relating to data privacy and security
Offering complimentary credit monitoring and identity protection services for twenty-four (24) months
Changes made: Implemented additional safeguards relating to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 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-794.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 26, 2023
Raw hash: 3bf36c2898c592433bb5a014d3259533d255e3a9d0150e5a5e91279b5fc62819

Reporting entityFrank J. Pavlica, CPA LTD

Victim entityFrank J. Pavlica, CPA LTD

Incidentdiscovered Sep 26, 2023

Stated responseLaunched an investigation with the assistance of third-party forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov