PhysicalProfessional ServicesProfessional ServicesTheftCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

John D. Williamson, Certified Public Accountant

bd_7d9450a5b2ad6f4b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 10, 2017

Filed

Feb 27, 2017

To disclose

17 days

Affected

Not disclosed

Confidence

64%

Full breach record for John D. Williamson, Certified Public Accountant →

John D. Williamson, CPA, reported the theft of two password-protected laptops containing tax client data, including names, addresses, dates of birth, Social Security numbers, and bank account information. The theft occurred between February 9 and February 10, 2017. The firm offered 24 months of identity protection services to affected individuals.

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California clockDiscovered Feb 10, 2017 → Notified Feb 24, 201714d ✓ CA 60-day OK17 days discovery → filing

Incident timeline

undetected · 1 days

discovery → filing · 17 days

Feb 9, 2017

Begins

Feb 10, 2017

Discovered

Feb 27, 2017

Filed

vs. sector median

16 wks faster

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

Name: John D. Williamson, Certified Public Accountant
norm: john d williamson certified public accountant

Name: John D. Williamson, Certified Public Accountant
norm: john d williamson certified public accountant
Industry: Professional Servicesllm

Discovered: Feb 10, 2017
Breach occurred: Feb 9, 2017 – Feb 10, 2017
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Feb 24, 2017
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unknown
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: External

During the incident: Reported incident to law enforcement
Cooperating with law enforcement investigation
Arranged for 24 months of complimentary identity protection through AllClear ID
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 days(17 days from discovery to filing)
Compliance flags: CA 60-day OK · 14d
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: Feb 10, 2017
→ Notified: Feb 24, 2017
14d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Feb 10, 2017 → Notified: Feb 24, 2017	14d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

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/sb24-66571
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 27, 2017
Raw hash: f7ed454ce25942a014c363b71884683e6c94db55498e19b2b00c9aa1bb80d363

Reporting entityJohn D. Williamson, Certified Public Accountant

Victim entityJohn D. Williamson, Certified Public Accountant

Incidentdiscovered Feb 10, 2017

Stated responseReported incident to law enforcement

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov