HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedDelayed DiscoveryIdentity (basic)LowContained

Castle Management

bd_b4fbe7cb9e8543a6 · schema v1 · pii pii-v2

Severity

Low

Discovered

—

Filed

Aug 1, 2026

To disclose

—

Affected

Not disclosed

Confidence

66%

Full breach record for Castle Management →2 incidents on file

Castle Management, LLC notified Massachusetts residents of a security incident where an unauthorized actor may have accessed their network between September 2025 and February 2026. The company contained the threat and engaged external cybersecurity professionals. An extensive forensic investigation concluded on August 11, 2026, that impacted systems contained personal information, including first and last names. The company is offering complimentary identity theft protection services through Cyberscout. Rhode Island residents were also impacted.

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Incident timeline

Sep 1, 2025

Begins

Aug 1, 2026

Filed

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

Name: Castle Management
norm: castle management
Domain: castlemanagement.com

Name: Castle Management
norm: castle management
Domain: castlemanagement.com
Industry: Professional Servicesllm

Discovered: —
Breach occurred: Sep 1, 2025 – Feb 1, 2026
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unknown
Threat actor: External

During the incident: Contained the threat and secured internal environment
Commenced a prompt and thorough investigation
Worked with external cybersecurity professionals
Changes made: Offering complimentary membership of identity theft protection services through Cyberscout
Providing proactive fraud assistance
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.

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/2026-1431-castle-management-llc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 1, 2026
Raw hash: 74f888a5728510767d7f95ff82b89ddf37da7e8092646308a853ef6cd8a1c443

Reporting entityCastle Management

Victim entityCastle Management

IncidentUnknown

Stated responseContained the threat and secured internal environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov