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

Kronick Moskovitz Tiedemann & Girard

bd_3b9c18091611fea2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 1, 2024

Filed

Mar 28, 2025

To disclose

34 weeks

Affected

Not disclosed

Linked

13 records

Confidence

64%

Full breach record for Kronick Moskovitz Tiedemann & Girard →

Kronick Moskovitz Tiedemann & Girard, a California law firm, experienced unauthorized access to its network by an unknown third party. The breach occurred on July 19, 2024, and was discovered in August 2024. The attacker exfiltrated data including names, Social Security numbers, dates of birth, driver's license numbers, and medical/health insurance information. The data was temporarily posted 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

California clockDiscovered Aug 1, 2024 → Notified Mar 28, 2025239d ✗ CA 60-day late34 weeks discovery → filing

Incident timeline

undetected · 13 days

discovery → filing · 34 weeks / 239 days

Jul 19, 2024

Begins

Aug 1, 2024

Discovered

Mar 28, 2025

Filed

vs. sector median

+15 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 218 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_78a8971981b2e05c2025-03-28Verified by operator
Indiana State AGbd_85953c04009ba2202025-03-28Verified
HHS OCRbd_d2db47f3b9d4421f2025-02-28 · +28dVerified
California State AGbd_f96d420733a272eb2025-02-28 · +28dVerified by operator

Show 6 more filings ↓up to 230d gap

Maine State AGbd_74cb343e09a544122025-05-23 · +56dVerified by operator
Washington State AGbd_df01fe534729b8702025-05-23 · +56dVerified by operator
New Hampshire State AGbd_0a048c565d778c312025-05-30 · +63dVerified by operator
California State AGbd_26e21b83d173f48c2025-05-30 · +63dVerified
Texas State AGbd_e29b475a6dee1a9d2025-06-02 · +66dVerified by operator
Maryland State AGbd_6ce3ae8b314e3c482025-11-13 · +230dVerified 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: Mar 28, 2025
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: T1041 Exfiltration Over C2 ChannelT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified law enforcement of the incidentContinuing to support federal law enforcement’s investigation into the incident

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

Time to disclose: 34 weeks(239 days from discovery to filing)
Compliance flags: CA 60-day late · 239dLeak >180d
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: Aug 1, 2024
→ Notified: Mar 28, 2025
239d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Aug 1, 2024 → Notified: Mar 28, 2025	239d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Vermont State AG+28d

Indiana State AG+28d

California State AG+28d · this page

Maine State AG+84d

Washington State AG+84d

New Hampshire State AG+91d

California State AG+91d

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/sb24-600568
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 28, 2025
Raw hash: 68bdbb31dbe96d7bb93a7fe3c58a28948fdab5a9dcc62a65f68be0b2042fa346

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

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov