HackingProfessional ServicesProfessional ServicesData MishandlingData ExfiltratedData DestroyedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Government IDFinancial accountIP / systemPIIMediumContained

Mason Law, PC

bd_a691ccc442dc01bf · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 5, 2018

Filed

May 5, 2018

To disclose

≤1 day

Affected

Not disclosed

Confidence

66%

Full breach record for Mason Law, PC →

Mason Law Office, P.C. discovered unauthorized access to its third-party case management system, mycase.com, on May 5, 2018. The breach, occurring between May 4-5, 2018, involved an unknown external actor who accessed and deleted client data. Affected data included names, SSNs, driver's license numbers, and privileged legal documents. The firm notified law enforcement and advised clients to monitor credit and freeze reports. No payment card data was stored in the system.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · ≤1 day / 0 days

May 4, 2018

Begins

May 5, 2018

Discovered

May 5, 2018

Filed

vs. sector median

19 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Mason Law, PC
norm: mason law
Domain: masonlawpc.net

Name: Mason Law, PC
norm: mason law
Domain: masonlawpc.net
Industry: Professional Servicesllm

Discovered: May 5, 2018
Breach occurred: May 4, 2018 – May 5, 2018
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountIP / systemPII
Data elements: Social Security number
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 ChannelT1485 Data Destruction
Threat actor: External
Regulator citations: Notified local law enforcementNotified the Federal Bureau of Investigations
Third party: via mycase.com

During the incident: Notified local law enforcement of the breach
Notified the Federal Bureau of Investigations
Thoroughly investigated the extent of the information accessed by Mason Law Office, P.C. and mycase.com
Changes made: Advised clients to purchase an identity protection program
Advised clients to contact the four major credit reporting agencies to alert them of potential identity theft
Advised clients to consider freezing their credit report
Source: Quoted from the filing itself, not independently verified.

Time to disclose: ≤1 day(0 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/sb24-135910
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 5, 2018
Raw hash: 1d66a890978cb07d61c01e52d5f67f31fd680e7d0daf12802480defcf5238cc4

Reporting entityMason Law, PC

Victim entityMason Law, PC

Incidentdiscovered May 5, 2018

Stated responseNotified local law enforcement of the breach

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov