HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Wisner Baum LLP

bd_65e3679b02b128fe · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 20, 2026

Filed

Jan 23, 2026

To disclose

3 days

Affected

Not disclosed

Linked

11 filings

Confidence

66%

Full breach record for Wisner Baum LLP →

Wisner Baum LLP notified consumers of a data breach involving unauthorized access to personal information, including names, addresses, and Social Security numbers. The firm established a call center and offered free credit monitoring. The incident is contained.

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Vermont clock✓ VT AG ≤14 bday3 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 3 days

Jan 20, 2026

Discovered

Jan 23, 2026

Filed

vs. sector median

18 wks faster

This filing is one of 11 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Oregon State AGbd_10178ff4c457f8c32026-01-23Candidate
Washington State AGbd_37073d78a5d8020d2026-01-23Verified
Massachusetts State AGbd_414e8f031fe308ff2026-01-23Verified
California State AGbd_4f695f7cf771e9832026-01-23Verified

Show 6 more filings ↓up to 22d gap

Indiana State AGbd_60ec407520bd24882026-01-23Verified
Indiana State AGbd_cbc68f1752ed6e5d2026-01-23Verified
Nebraska State AGbd_ccdcb9570f81d5f92026-01-23Verified
Maine State AGbd_d08c7349ab190a952026-01-23Verified
Texas State AGbd_7e40321d8677cf662026-01-27 · +4dVerified
Illinois State AGbd_3f3b760f00242c122026-01-01 · +22dVerified

Name: Wisner Baum LLP
norm: wisner baum

Name: Wisner Baum LLP
norm: wisner baum
Industry: Professional Servicesllm

Discovered: Jan 20, 2026
Materiality determined: —
Notification sent: Jan 23, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notice with Vermont Attorney General
Initial access: valid_credentials

During the incident: Established a call center to answer questions
Offered free credit monitoring and identity theft protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 3 days(3 days from discovery to filing)
Compliance flags: VT AG ≤14 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 10 states

View merged incident ↗

Illinois State AGJan 1 · first

Oregon State AG+22d

Washington State AG+22d

Massachusetts State AG+22d

California State AG+22d

Indiana State AG+22d

Nebraska State AG+22d

Maine State AG+22d

Vermont State AG+22d · this page

Texas State AG+26d

Pattern: first filing Jan 1 (IL), last Jan 27 (TX) — a 26-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://ago.vermont.gov/document/2026-01-23-wisner-baum-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 23, 2026
Raw hash: a7e2ce8ae0709a846292f7c744515347462e5ec45e8b328d7a510fbc0ad48688

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityWisner Baum LLP

Victim entityWisner Baum LLP

Incidentdiscovered Jan 20, 2026

Stated responseEstablished a call center to answer questions

ComplianceVT AG ≤14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov