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Case File: MJMS Family Office Services LLC and Madden, Jiganti, Moore & Sheridan LLP Data Breach

This file collects the dated facts on record for the MJMS Family Office Services LLC and Madden, Jiganti, Moore & Sheridan LLP incident. The state report is dated July 14, 2026.

Timeline

  1. July 14, 2026Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state
Massachusetts
Date reported
July 14, 2026
Receiving office
Massachusetts Attorney General

Case notes

MJMS Family Office Services LLC and Madden, Jiganti, Moore & Sheridan LLP have disclosed a data security incident. This incident was reported to regulatory bodies on July 14, 2026, as part of their obligations. The organizations are based in Massachusetts and provide specialized legal and financial services.

The specific details regarding how the breach occurred remain under investigation. The companies have not yet publicly specified the nature of the security event that led to the compromise of their network infrastructure. Their reporting indicates that an ongoing investigation is underway to determine the full scope of the incident.

While the exact categories of affected information have not been detailed in public filings, the incident concerns personal information maintained by these firms. Due to the nature of services provided by family offices and legal practices, such data often includes highly confidential details. Individuals who receive a direct notification from MJMS Family Office Services LLC or Madden, Jiganti, Moore & Sheridan LLP should carefully review that communication for specific information pertinent to their situation.

Individuals who may be affected should monitor their personal accounts and financial statements for any unusual activity. It is advisable to remain vigilant against phishing attempts or unsolicited communications that request personal details. Consider placing a fraud alert or security freeze on credit reports as a proactive measure.

This record is based on official filings made by MJMS Family Office Services LLC and Madden, Jiganti, Moore & Sheridan LLP with regulatory authorities. Further updates, if made public, will be reflected in subsequent official disclosures.

Questions about this case file

Where does the MJMS Family Office Services LLC and Madden, Jiganti, Moore & Sheridan LLP case file come from?
Every entry is taken from the breach report MJMS Family Office Services LLC and Madden, Jiganti, Moore & Sheridan LLP lodged with the Massachusetts Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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