MalwareProfessional ServicesProfessional ServicesRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)MediumContained

Houser, LLP

bd_15d84c1e20608c80 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 9, 2023

Filed

Feb 29, 2024

To disclose

42 weeks

Affected

5,255state residents only

Linked

23 filings

Confidence

64%

Full breach record for Houser, LLP →

Houser LLP, a law firm, notified affected individuals in South Carolina and other jurisdictions of a ransomware incident. Unauthorized access occurred May 7-9, 2023, resulting in file encryption and data exfiltration. Houser discovered the incident on May 9, 2023, and notified individuals on February 28, 2024. Affected data included names and variable data. Houser engaged forensic specialists, reported to law enforcement, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due42 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 2 days

discovery → filing · 42 weeks / 296 days

May 7, 2023

Begins

May 9, 2023

Discovered

Feb 29, 2024

Filed

vs. sector median

+24 wks slower

This filing is one of 23 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

New Hampshire State AGbd_13a325d86f76f6f72024-03-26 · +26dVerified
Delaware State AGbd_18b5dd7e86b213522024-03-26 · +26dVerified
California State AGbd_8a4cf4dd8b36d1b42024-03-26 · +26dVerified
Maine State AGbd_c1c7841f0ee89fe52024-03-26 · +26dVerified

Show 6 more filings ↓up to 43d gap

Vermont State AGbd_af0b2641e3351df62024-03-27 · +27dVerified
California State AGbd_3f910d0506adf4a32024-04-12 · +43dVerified
Vermont State AGbd_521a4b0865ecc11a2024-04-12 · +43dVerified
New Hampshire State AGbd_5c7bcad0b397e0a12024-04-12 · +43dVerified
Delaware State AGbd_631c1acc1b5f6e812024-04-12 · +43dVerified
Maine State AGbd_b60a96892267f8cc2024-04-12 · +43dVerified

Showing first 10 of 22 linked disclosures.

Name: Houser Racing
norm: houser racing
Domain: houser-racing.com

Name: Houser, LLP
norm: houser
Domain: houser-law.com
Industry: Professional Servicesllm

Discovered: May 9, 2023
Breach occurred: May 7, 2023 – May 9, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 28, 2024
Affected individuals: 5,255state-resident count only
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Reported this incident to law enforcement

During the incident: Launched an investigation, with the assistance of third-party forensic specialists
Reported this incident to law enforcement
Offering you complimentary access to credit monitoring and identity theft restoration services through IDX
Changes made: Deployment of RocketCyber, an endpoint detection and response tool
Implemented multi-factor authentication for Outlook 365, Net Extender VPN tunnel and remote desktop connection
Added ransomware detection software
Implemented the use of phishing simulation software
Conducted vulnerability assessment and penetration testing
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 42 weeks(296 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

South Carolina State AGFeb 29 · first · this page

New Hampshire State AG+26d

Delaware State AG+26d

California State AG+26d

Maine State AG+26d

Vermont State AG+27d

California State AG+43d

Vermont State AG+43d

New Hampshire State AG+43d

Delaware State AG+43d

Maine State AG+43d

Pattern: first filing Feb 29 (SC), last Apr 12 (ME) — a 43-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 22 — the full spread may be wider.

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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2024/HouserLLP.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 29, 2024
Raw hash: 96a95eba5f6a4c42b6795e9ef539955bb5ae60a0183e57ca049ecee7d8909a46

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityHouser Racing

Victim entityHouser, LLP

Incidentdiscovered May 9, 2023

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

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov