Informa (including Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget) Data Breach (April 2026): What Was Exposed and What To Do
According to the notice filed with the California Attorney General on Apr 17, 2026, Informa (including Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget) reported a data breach. It was also reported to the Texas Attorney General. People affected: 5,959 people (official total in the Texas Attorney General filing, filed Apr 22, 2026).
Key facts
From 2 official filings- Organization
- Informa (including Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget)
- Source: California Attorney General, filed Apr 17, 2026
- People affected
- 5,959
- Official total in the Texas Attorney General filing, filed Apr 22, 2026
- Source: Texas Attorney General, filed Apr 22, 2026
- Incident dates
- Aug 11, 2025 – Aug 18, 2025
- Source: California Attorney General, filed Apr 17, 2026
- Source: Texas Attorney General, filed Apr 22, 2026
- Discovered Feb 13, 2026
- Source: Texas Attorney General, filed Apr 22, 2026
- Notice dates
- First filed Apr 17, 2026; latest filing Apr 22, 2026
- Source: California Attorney General, filed Apr 17, 2026
- Information exposed
- Social Security number
- Financial account number
- Date of birth
- Name
- Source: Texas AG, Apr 22, 2026
- Filed with
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- California Attorney General · filed Apr 17, 2026 source details
- Texas Attorney General · filed Apr 22, 2026 · 250 Texas residents · total 5,959 source details
- Free credit monitoring
- No offer is stated in the filings we have. Check your letter.
What to do now
Steps chosen from the information listed in the official filings. Your own letter may list more.
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A credit freeze stops new credit accounts being opened in your name. It is free by law and you can lift it when you need credit: Equifax, Experian and TransUnion.
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An IP PIN stops someone else filing a tax return with your Social Security number. Get one from the IRS at irs.gov.
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Review recent transactions, ask about account alerts, and ask whether a new account number is recommended.
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Scammers often contact people after a breach, pretending to be the organization, a bank or a government agency. Do not give your Social Security number, passwords or codes to anyone who contacts you first.
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You can get free credit reports from all three bureaus at AnnualCreditReport.com, the official site.
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The Federal Trade Commission's IdentityTheft.gov gives you a personal recovery plan.
Is the letter real?
Letters usually list a phone number for questions. We could not find an official copy of the letter, so check that the organization named in your letter appears in the official filings listed below before you call.
Never give your Social Security number, bank details or passwords to someone who contacts you first.
Timeline
Sources
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California Attorney General Notice filed Apr 17, 2026Filed as “Informa (including Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget)”
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Texas Attorney General Notice filed Apr 22, 2026Filed as “Informa (including Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget)” · 250 Texas residents · total 5,959The link opens the agency's list; search it for the organization name.
Last updated Oct 20, 2026. Our summaries are written in our own words from the official filings above. Spotted an error? Report a correction.