HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)LowContained

Malloy Karnowski Radosevich & Co.

bd_d347c8f0d50a7fed · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 30, 2023

Filed

May 29, 2024

To disclose

22 weeks

Affected

1state residents only

Linked

2 filings

Confidence

66%

Full breach record for Malloy Karnowski Radosevich & Co. →

Malloy Montague Karnowski Radosevich & Co. notified Montana residents of a network security incident detected on December 30, 2023. An unauthorized party accessed files containing names and other personal information. The firm engaged third-party cybersecurity professionals and notified law enforcement. Affected individuals were offered complimentary Experian IdentityWorks membership.

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Incident timeline

discovery → filing · 22 weeks / 151 days

Dec 30, 2023

Discovered

May 29, 2024

Filed

vs. sector median

+2 wks slower

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_bcb7758622a55c792024-05-24 · +5dVerified

Name: Malloy Karnowski Radosevich & Co.
norm: malloy karnowski radosevich

Name: Malloy Karnowski Radosevich & Co.
norm: malloy karnowski radosevich
Industry: Professional Servicesllm

Discovered: Dec 30, 2023
Materiality determined: —
Notification sent: May 20, 2024
Affected individuals: 1state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: notified law enforcement
Initial access: valid_credentials

During the incident: Immediately took steps to contain the incident and secure the network
Notified law enforcement
Engaged third-party cybersecurity professionals experienced in handling these type of incidents to conduct an investigation
Changes made: Offering complimentary access to Experian IdentityWorksSM
Continually evaluate and modify our 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: 22 weeks(151 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 AGMay 24 · first

Montana State AG+5d · this page

Pattern: first filing May 24 (IN), last May 29 (MT) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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-1438.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 29, 2024
Raw hash: 06cb2e31b9fa0fe43c9fd64d907f340a06e4f8e06653cec901e43bad185ce63a

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMalloy Karnowski Radosevich & Co.

Victim entityMalloy Karnowski Radosevich & Co.

Incidentdiscovered Dec 30, 2023

Stated responseImmediately took steps to contain the incident and secure the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov