HackingProfessional ServicesProfessional ServicesData ExfiltratedData PublishedCustomer Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MediumContained

Kronick Moskovitz Tiedemann & Girard

bd_26e21b83d173f48c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 1, 2024

Filed

May 30, 2025

To disclose

43 weeks

Affected

Not disclosed

Linked

13 records

Confidence

65%

Full breach record for Kronick Moskovitz Tiedemann & Girard →

Kronick Moskovitz Tiedemann & Girard, a California law firm, discovered unauthorized access to its network in August 2024. The incident, which occurred on July 19, 2024, involved an unknown third party who exfiltrated data including names, SSNs, DOBs, driver's license numbers, and medical/health insurance information. The attacker temporarily posted the data on a dark web site. The firm disconnected systems, reset credentials, engaged forensic experts, and notified law enforcement. Affected individuals are offered 24 months of Experian credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d43 weeks discovery → filing

Incident timeline

undetected · 13 days

discovery → filing · 43 weeks / 302 days

Jul 19, 2024

Begins

Aug 1, 2024

Discovered

May 30, 2025

Filed

vs. sector median

+24 wks slower

This filing is one of 13 records about the same incident.View merged incident

A leak claim by rhysida about this victim was first seen 281 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

New Hampshire State AGbd_0a048c565d778c312025-05-30Verified by operator
Texas State AGbd_e29b475a6dee1a9d2025-06-02 · +3dVerified by operator
Maine State AGbd_74cb343e09a544122025-05-23 · +7dVerified by operator
Washington State AGbd_df01fe534729b8702025-05-23 · +7dVerified by operator

Show 6 more filings ↓up to 167d gap

California State AGbd_3b9c18091611fea22025-03-28 · +63dVerified by operator
Vermont State AGbd_78a8971981b2e05c2025-03-28 · +63dVerified by operator
Indiana State AGbd_85953c04009ba2202025-03-28 · +63dVerified
HHS OCRbd_d2db47f3b9d4421f2025-02-28 · +91dVerified
California State AGbd_f96d420733a272eb2025-02-28 · +91dVerified by operator
Maryland State AGbd_6ce3ae8b314e3c482025-11-13 · +167dVerified by operator

Showing first 10 of 12 linked disclosures.

Name: Kronick Moskovitz Tiedemann & Girard
norm: kronick moskovitz tiedemann girard
Domain: kmtg.com

Name: Kronick Moskovitz Tiedemann & Girard
norm: kronick moskovitz tiedemann girard
Domain: kmtg.com
Industry: Professional Servicesllm

Discovered: Aug 1, 2024
Breach occurred: Jul 19, 2024
Undetected for: 13 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPHIHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 ChannelT1567 Exfiltration Over Web Service
Threat actor: External
Regulator citations: Notified law enforcement

During the incident: Disconnected systems
Reset all user passwords
Disabled and reset all service accounts
Engaged leading third-party cybersecurity and forensic experts
Notified law enforcement of the incident
Changes made: Implemented additional security protocols designed to enhance the existing high level of security of its network, internal systems, and applications
Continuing to evaluate additional steps that may be taken to further increase its defenses
Offering complimentary access to Experian credit monitoring for 24 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 43 weeks(302 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

HHS OCRFeb 28 · first

California State AGFeb 28 · first

California State AG+28d

Vermont State AG+28d

Indiana State AG+28d

Maine State AG+84d

Washington State AG+84d

New Hampshire State AG+91d

California State AG+91d · this page

Texas State AG+94d

Maryland State AG+258d

Pattern: first filing Feb 28 (CA), last Nov 13 (MD) — a 258-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 12 — 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/sb24-603439
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 30, 2025
Raw hash: 9df9906fadee982e07bd3d18fc0576ab107bb17c586d7357990631958f9fe6be

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityKronick Moskovitz Tiedemann & Girard

Victim entityKronick Moskovitz Tiedemann & Girard

Incidentdiscovered Aug 1, 2024

Stated responseDisconnected systems

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov