Social EngineeringProfessional ServicesProfessional ServicesPhishingCustomer Data InvolvedIdentity (basic)Government IDMediumContained

The Chartwell Law Offices, LLP

bd_ad1d2323c3360b8d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 9, 2026

Filed

Aug 7, 2026

To disclose

17 weeks

Affected

1state residents only

Confidence

65%

Full breach record for The Chartwell Law Offices, LLP →

The Chartwell Law Offices, LLP experienced a social engineering incident on April 9, 2026, resulting in unauthorized access to a limited number of documents containing personal information, including names. The firm immediately terminated access, engaged third-party cybersecurity experts, and notified law enforcement. Affected individuals are being offered 24 months of complimentary credit monitoring and identity protection services.

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Massachusetts clock✗ MA AG >90d17 weeks discovery → filing

Incident timeline

discovery → filing · 17 weeks / 120 days

Apr 9, 2026

Begins

Apr 9, 2026

Discovered

Aug 7, 2026

Filed

vs. sector median

1 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: The Chartwell Law Offices, LLP
norm: the chartwell law offices

Name: The Chartwell Law Offices, LLP
norm: the chartwell law offices
Industry: Professional Servicesllm

Discovered: Apr 9, 2026
Breach occurred: Apr 9, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 7, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unknown
MITRE ATT&CK: T1566 Phishing
Threat actor: External
Initial access: phishing_link

During the incident: Immediately terminated the access
Launched a comprehensive investigation with third-party cybersecurity experts
Notified law enforcement
Engaged a third-party cybersecurity firm to assist with our review
Notified the appropriate authorities
Changes made: Taken steps to further strengthen and enhance the security of systems in our network
Updating administrative and technical safeguards
Additional cybersecurity training for personnel
Offering 24 months of complimentary credit monitoring and identity protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(120 days from discovery to filing)
Compliance flags: MA AG >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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/2026-1306-the-chartwell-law-offices-llp/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2026
Raw hash: 7aa3947d64332ffe41ba4037b211e6bf3c4b2e858ebcc53d4ac22a5e101130ff

Reporting entityThe Chartwell Law Offices, LLP

Victim entityThe Chartwell Law Offices, LLP

Incidentdiscovered Apr 9, 2026

Stated responseImmediately terminated the access

ComplianceMA AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov