HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Cyrus D. Mehta & Partners PLLC

bd_8babc6b37a03f113 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 11, 2025

Filed

Feb 23, 2026

To disclose

41 weeks

Affected

31state residents only

Linked

3 filings

Confidence

65%

Full breach record for Cyrus D. Mehta & Partners PLLC →

Cyrus D. Mehta & Partners PLLC, an immigration law firm, discovered unauthorized access to its systems on May 11, 2025. An unauthorized third party accessed certain systems and removed data, including names, addresses, dates of birth, Social Security numbers, and passport/government IDs. The firm secured systems, reset passwords, severed access, and engaged forensic specialists. Credit monitoring services are offered to affected individuals.

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Massachusetts clock✗ MA AG >90d41 weeks discovery → filing

Incident timeline

discovery → filing · 41 weeks / 288 days

May 11, 2025

Discovered

Feb 23, 2026

Filed

vs. sector median

+22 wks slower

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

Vermont State AGbd_e646677895d6d7d42026-02-23Verified
Indiana State AGbd_583066cf1405f0642025-12-31 · +54dCandidate

Name: Cyrus D. Mehta & Partners PLLC
norm: cyrus d mehta

Name: Cyrus D. Mehta & Partners PLLC
norm: cyrus d mehta
Industry: Professional Servicesllm

Discovered: May 11, 2025
Materiality determined: —
Notification sent: Dec 31, 2025
Affected individuals: 31state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Consulted with law enforcement

During the incident: Swiftly secured the impacted systems
Reset all account passwords
Consulted with law enforcement
Launched an investigation with third-party cybersecurity and data forensic specialists
Severed the unauthorized user’s access to our system
Engaged cybersecurity counsel and digital forensics specialists
Changes made: Implementing enhanced security measures across our network
Strengthening our existing multi-factor authentication processes
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 41 weeks(288 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.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGDec 31 · first

Vermont State AG+54d

Massachusetts State AG+54d · this page

Pattern: first filing Dec 31 (IN), last Feb 23 (MA) — a 54-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://www.mass.gov/doc/2026-266-cyrus-d-mehta-partners-pllc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 23, 2026
Raw hash: 145e25502706e6a2b5e2a8ff7f749ba3950bfa434c500664b95cba440c5cfcde

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCyrus D. Mehta & Partners PLLC

Victim entityCyrus D. Mehta & Partners PLLC

Incidentdiscovered May 11, 2025

Stated responseSwiftly secured the impacted systems

ComplianceMA AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov