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Case File: Linemaster Switch Corporation Data Breach

This file collects the dated facts on record for the Linemaster Switch Corporation incident. The state report is dated October 20, 2025.

Timeline

  1. October 20, 2025Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state
Massachusetts
Date reported
October 20, 2025
Receiving office
Massachusetts Attorney General

Case notes

Linemaster Switch Corporation, known for its specialized manufacturing of foot switches and electronic control devices, formally reported a data security incident to the Massachusetts Attorney General on October 20, 2025. The company's operations in sectors like medical equipment, industrial automation, and aerospace engineering rely on extensive digital infrastructure, which processes significant amounts of data, including personal information.

While specific details regarding the breach type remain under investigation, such incidents in industrial manufacturing often involve sophisticated cyberattacks, including unauthorized network intrusions or the deployment of malicious software. These attacks typically aim to exploit system vulnerabilities, potentially leading to the exfiltration of confidential databases.

The incident compromised personal information belonging to Linemaster Switch Corporation's current and former workforce, as well as its business partners and clients. The company's digital systems store various categories of sensitive information, and the exposure of this data carries significant risks for affected individuals.

As an entity operating in Massachusetts, Linemaster Switch Corporation is subject to state data protection statutes, including the Massachusetts Data Privacy Law and Massachusetts General Laws Chapter 93H. These regulations require companies to implement robust information security programs to protect personal data. The occurrence of this data breach raises questions about the adequacy of security safeguards in place.

Individuals who receive a data breach notification letter from Linemaster Switch Corporation should take proactive steps to protect themselves. It is advisable to review financial statements and credit reports regularly for any unauthorized activity. Consider placing a fraud alert or security freeze on your credit files to prevent new accounts from being opened in your name without your authorization.

Additionally, be vigilant against phishing attempts via email, text, or phone calls that might use information from the breach. Update passwords for online accounts and use multi-factor authentication where available. Regularly monitor official communications from the company or regulatory bodies for further updates on the incident.

Questions about this case file

Where does the Linemaster Switch Corporation case file come from?
Every entry is taken from the breach report Linemaster Switch Corporation 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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