HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Kenneth Weiss & Company, P.C.

bd_0dab6eeba7340072 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 27, 2021

Filed

Jun 16, 2021

To disclose

7 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

65%

Full breach record for Kenneth Weiss & Company, P.C. →2 incidents on file

Kenneth Weiss and Company PC notified clients of unauthorized access to internal servers and computers discovered on April 27, 2021. The incident potentially exposed PII including names, addresses, dates of birth, Social Security Numbers, and banking information. The company shut down access, engaged forensic experts, and offered 12 months of credit monitoring.

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California clockDiscovered Apr 27, 2021 → Notified Jun 18, 202152d ✓ CA 60-day OK7 weeks discovery → filing

Incident timeline

discovery → filing · 7 weeks / 50 days

Apr 27, 2021

Begins

Apr 27, 2021

Discovered

Jun 16, 2021

Filed

vs. sector median

12 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_f0cae8a3770e1c502021-06-17 · +1dCandidate
Indiana State AGbd_acda2793352e52b72021-06-18 · +2dVerified

Name: Kenneth Weiss & Company, P.C.
norm: kenneth weiss

Name: Kenneth Weiss & Company, P.C.
norm: kenneth weiss
Industry: Professional Servicesllm

Discovered: Apr 27, 2021
Breach occurred: Apr 27, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 18, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Took immediate steps to shut down access to the devices
Engaged third-party expert assistance to help us investigate, evaluate and respond to the situation
Providing you with access to Triple Bureau Credit Monitoring* services at no charge
Providing you with proactive fraud assistance
Changes made: Made immediate enhancements to our systems, security and practices
Engaged industry experts to assist us in conducting a full review of our security practices and systems to ensure that appropriate security protocols are in place
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 days from discovery to filing)
Compliance flags: CA 60-day OK · 52d
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: Apr 27, 2021
→ Notified: Jun 18, 2021
52d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Apr 27, 2021 → Notified: Jun 18, 2021	52d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

California State AGJun 16 · first · this page

Maine State AG+1d

Indiana State AG+2d

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/sb24-541920
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 16, 2021
Raw hash: 81b434d2bfa1da4c54e7d77bd7fabd16e6c9b392ac8fb4970a0e6c7144565dc4

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityKenneth Weiss & Company, P.C.

Victim entityKenneth Weiss & Company, P.C.

Incidentdiscovered Apr 27, 2021

Stated responseTook immediate steps to shut down access to the devices

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov