MalwareProfessional ServicesProfessional ServicesRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)LowContained

Houser, LLP

bd_8a4cf4dd8b36d1b4 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 9, 2023

Filed

Mar 26, 2024

To disclose

46 weeks

Affected

Not disclosed

Linked

23 filings

Confidence

65%

Full breach record for Houser, LLP →

Houser LLP, a legal services firm, experienced a ransomware incident where files were encrypted and data was exfiltrated between May 7-9, 2023. The breach was discovered on May 9, 2023. Affected data includes names and other variable personal information. The firm engaged forensic specialists, notified law enforcement, and implemented security enhancements including MFA and EDR. A supplemental notice was filed in California in March 2024.

J jump to incidentP pin to compareR raw source

California clockDiscovered May 9, 2023 → Notified Mar 26, 2024322d ✗ CA 60-day late46 weeks discovery → filing

Incident timeline

undetected · 2 days

discovery → filing · 46 weeks / 322 days

May 7, 2023

Begins

May 9, 2023

Discovered

Mar 26, 2024

Filed

vs. sector median

+27 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_13a325d86f76f6f72024-03-26Verified
Delaware State AGbd_18b5dd7e86b213522024-03-26Verified
Maine State AGbd_c1c7841f0ee89fe52024-03-26Verified
Vermont State AGbd_af0b2641e3351df62024-03-27 · +1dVerified

Show 6 more filings ↓up to 26d gap

California State AGbd_3f910d0506adf4a32024-04-12 · +17dVerified
Vermont State AGbd_521a4b0865ecc11a2024-04-12 · +17dVerified
New Hampshire State AGbd_5c7bcad0b397e0a12024-04-12 · +17dVerified
Delaware State AGbd_631c1acc1b5f6e812024-04-12 · +17dVerified
Maine State AGbd_b60a96892267f8cc2024-04-12 · +17dVerified
South Carolina State AGbd_15d84c1e20608c802024-02-29 · +26dVerified

Showing first 10 of 22 linked disclosures.

Name: Houser
norm: houser
Domain: houser.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: Mar 26, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Launched an investigation with the assistance of third-party forensic specialists
Reported this incident to law enforcement
Retained a vendor to conduct a comprehensive review of the files potentially copied
Changes made: Implemented additional safeguards policies and procedures relating to data privacy, security and our network environment
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
Offering complimentary access to credit monitoring and identity theft restoration services through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 46 weeks(322 days from discovery to filing)
Compliance flags: CA 60-day late · 322d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: May 9, 2023
→ Notified: Mar 26, 2024
322d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: May 9, 2023 → Notified: Mar 26, 2024	322d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

South Carolina State AGFeb 29 · first

New Hampshire State AG+26d

Delaware State AG+26d

Maine State AG+26d

California State AG+26d · this page

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://oag.ca.gov/ecrime/databreach/reports/sb24-583097
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 26, 2024
Raw hash: e569d57b5a72f2d979d95544736f497f3021737f16422cc48a5e4f52be5b441b

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityHouser

Victim entityHouser, LLP

Incidentdiscovered May 9, 2023

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

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov