Where does the Telgian Holdings, Inc. case file come from?

Every entry is taken from the breach report Telgian Holdings, Inc. 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.

Case file

Case File: Telgian Holdings, Inc. Data Breach

This file collects the dated facts on record for the Telgian Holdings, Inc. incident. The state report is dated June 3, 2025.

Timeline

June 3, 2025Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state: Massachusetts
Date reported: June 3, 2025
Receiving office: Massachusetts Attorney General

Case notes

Telgian Holdings, Inc., a company providing engineering, testing, inspection, and fire protection services, filed a report with the Massachusetts Attorney General on June 3, 2025. This filing indicates that the company experienced a network infrastructure security incident.

The nature of the breach involves unauthorized access to Telgian's digital systems. While the investigation into the full scope of the incident is ongoing, such events typically aim to compromise systems where sensitive data is maintained.

At this time, the specific categories of personal information involved in this incident have not been disclosed. However, a breach of this type puts individuals at risk of potential misuse of their data.

Individuals who receive an official notification from Telgian Holdings, Inc. are advised to remain vigilant. It is recommended to regularly review financial account statements and credit reports for any suspicious or unauthorized activity. As a proactive measure, consider placing a fraud alert or security freeze on your credit files to help prevent new accounts from being opened in your name without your consent.

Questions about this case file

Where does the Telgian Holdings, Inc. case file come from?: Every entry is taken from the breach report Telgian Holdings, Inc. 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.

Massachusetts data breaches

Named in the Telgian Holdings, Inc. breach?

Attach your notice and a short note. An attorney checks it against this case file at no cost.

Timeline

Case facts

Case notes

Questions about this case file

More Massachusetts case files