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

This file collects the dated facts on record for the Informa (including Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget) incident. The state report is dated April 22, 2026. The incident itself is dated August 11, 2025.

Timeline

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

  1. August 11, 2025Incident dateWhen the filing says the breach took place.
  2. April 22, 2026Report filed in TexasDate the notice was lodged with the Texas Attorney General.

Case facts

Filing state
Texas
Date reported
April 22, 2026
Incident date
August 11, 2025
Receiving office
Texas Attorney General

Case notes

Informa, a company with operations spanning business intelligence, academic publishing, and large-scale exhibitions, has filed notice of a data security incident with the Texas Attorney General. The company's official report, submitted on April 22, 2026, concerns an event that began on August 11, 2025. This notification covers various Informa U.S. entities, including Informa Exhibitions U.S. Construction and Real Estate, Inc., and Informa TechTarget.

The company confirmed that unauthorized parties gained access to its systems. While the specific categories of information involved in this incident were not detailed in the public filing, Informa's extensive databases often contain attendee registration details, professional credentials, and corporate billing information. Therefore, personal information housed within these systems may have been exposed.

For individuals who have received a direct notification letter from Informa, this indicates that their data was likely stored on the affected systems at the time of the incident. Informa has stated publicly that an investigation into the nature and scope of the unauthorized access is ongoing.

As a general precaution, individuals who may be affected by this incident should remain vigilant. It is advisable to carefully monitor financial statements and credit reports for any signs of suspicious activity or unauthorized accounts. Additionally, reviewing and strengthening passwords for online accounts, especially those associated with Informa services, is a recommended security measure.

This filing serves as an official public record detailing the reported facts of the data security incident, providing transparency for those seeking verified information regarding the breach.

Questions about this case file

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

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