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Case file

Case File: AssetMark Trust Company Data Breach

This file collects the dated facts on record for the AssetMark Trust Company incident. The state report is dated May 8, 2026. The incident itself is dated March 17, 2026.

Timeline

52 days separate the incident date from the date it was reported.

  1. March 17, 2026Incident dateWhen the filing says the breach took place.
  2. May 8, 2026Report filed in TexasDate the notice was lodged with the Texas Attorney General.

Case facts

Filing state
Texas
Date reported
May 8, 2026
Incident date
March 17, 2026
Receiving office
Texas Attorney General

Case notes

AssetMark Trust Company, based in Texas, has reported a data security incident to regulatory authorities. The breach is documented as having occurred on March 17, 2026, with the official filing made on May 8, 2026. This notification is part of a public record, indicating an ongoing situation regarding the security of personal information.

Public records from the regulatory filing do not specify the exact categories of personal information that may have been involved in this incident. Similarly, the number of individuals potentially affected by this event has not been disclosed in the public documentation at this time.

When incidents like this occur, it generally means unauthorized access to a system containing personal data. Although the specific data involved here is not detailed, it is prudent for individuals who have engaged with AssetMark Trust Company to remain vigilant.

It is advisable to monitor any accounts associated with the company for unusual activity and to be cautious of unsolicited communications that request personal details. Such communications could be attempts to exploit information that may have been exposed. Consider reviewing financial statements and other personal accounts regularly for any discrepancies.

As the investigation by AssetMark Trust Company is currently ongoing, further details may emerge. This information is based on public filings made to comply with data breach notification laws.

Questions about this case file

Where does the AssetMark Trust Company case file come from?
Every entry is taken from the breach report AssetMark Trust Company lodged with the Texas 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.
Texas data breaches

Filing source: Texas Attorney General