UnknownProfessional ServicesProfessional ServicesCustomer Data InvolvedGovernment IDIdentity (basic)Medium

Castaglia, LLP

bd_4d1d7f895e14bb10 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 28, 2026

To disclose

—

Affected

2state residents only

Linked

4 filings

Confidence

67%

Full breach record for Castaglia, LLP →

Castiglia, LLP notified individuals of a data security incident that may have involved their personal information, including Social Security numbers. The firm engaged Kroll to provide two years of complimentary identity monitoring services. No specific dates for the incident or discovery were provided in the notice. The firm states it has taken steps to enhance network security.

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Incident timeline — partial

? — ?

Breach window unknown

Apr 28, 2026

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_54af497dfcbf72cb2026-04-28Verified
Vermont State AGbd_9f6d12a16e64ce782026-04-28Verified
Nebraska State AGbd_e8afd09a3424c18c2026-04-28Verified

Name: Castaglia, LLP
norm: castaglia

Name: Castaglia, LLP
norm: castaglia
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unknown

During the incident: Secured the services of Kroll to provide identity monitoring at no cost for two years
Enhanced the security of our computer network
Changes made: Enhanced the security of our computer network
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maine State AGApr 28 · first

Vermont State AGApr 28 · first

Nebraska State AGApr 28 · first

Massachusetts State AGApr 28 · first · this page

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://www.mass.gov/doc/2026-658-castiglia-llp/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 28, 2026
Raw hash: eba21f8d85f2dc37b03249ae81c9f80280fabe9a18871db1f0902f8bb2a9f399

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCastaglia, LLP

Victim entityCastaglia, LLP

IncidentUnknown

Stated responseSecured the services of Kroll to provide identity monitoring at no cost for two years

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov