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Case File: Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” Data Breach

This file collects the dated facts on record for the Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” incident. The state report is dated May 8, 2026.

Timeline

  1. May 8, 2026Report filed in MaineDate the notice was lodged with the Maine Attorney General.

Case facts

Filing state
Maine
Date reported
May 8, 2026
Receiving office
Maine Attorney General

Case notes

Informa Exhibitions U.S. Construction and Real Estate, Inc., along with other Informa U.S. entities and Informa TechTarget, submitted a supplemental data breach report to the Maine Attorney General's office on May 8, 2026. This filing confirms a data security incident that may have affected individuals whose information they hold.

Informa operates globally as a business intelligence, events, and digital media company, specializing in professional industry trade shows, market research, and technical content. Given their operational model, they typically collect and store extensive personal data. The report indicates that unauthorized parties may have accessed sensitive information held by these entities.

The specific categories of personal information involved in this incident and the number of individuals affected are not detailed in the public filing. Informa has stated that an investigation into the full scope and impact of the incident is currently underway.

If you received an official data breach notification letter from Informa, it indicates that your personal data was potentially compromised during this event. This communication serves to alert you to the incident and recommend general protective measures.

It is advisable to remain vigilant for any unusual activity across your online accounts or unexpected communications. Consider reviewing statements for unauthorized transactions or suspicious inquiries. You may also wish to place a fraud alert or security freeze on your credit reports with the major credit bureaus. This step can help prevent new accounts from being opened in your name without your authorization.

Questions about this case file

Where does the Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” case file come from?
Every entry is taken from the breach report Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” lodged with the Maine 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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