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Investigation OpenCA AG filing · April 17, 2026

Informa Data Breach: Understanding Your Notification Letter in California

Multiple Informa entities, including Informa Exhibitions U.S. Construction and Real Estate, reported a data breach in California in April 2026, stemming from an incident in August 2025. If you received a notification letter, it means your personal information may have been exposed, and understanding the details is a critical first step.

This breach is real, not a scam. Informa (including Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget) officially reported it to the CA Attorney General on April 17, 2026.

Reviewed by David S. Harris, Esq., data breach and class action attorney (Florida Bar No. 0112739). Free consultation: 786-306-7278

Received a Informa (including Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget) notification letter? Find out in minutes if you qualify for compensation.

Free case review
State
CA
Breach date
August 11, 2025
Reported
April 17, 2026

If you received a data breach notification letter from Informa, including related entities like Informa Exhibitions U.S. Construction and Real Estate or Informa TechTarget, this means your information may have been exposed. Informa filed notice of this incident in California on April 17, 2026, indicating the breach itself occurred on or about August 11, 2025.

The public record does not specify the exact types of personal information involved in this incident. Therefore, it's important to carefully review your individual notification letter, as it should detail what specific data pertaining to you was affected.

While the investigation into this breach is ongoing, it's prudent to remain vigilant. We recommend monitoring your financial statements and credit reports for any unusual activity. If you notice anything suspicious, report it immediately to the relevant financial institutions and credit bureaus.

Receiving a data breach notification can be concerning, and it raises questions about what steps to take next. Understanding the facts of the breach, as communicated in your letter, is the first step toward protecting yourself.

For those who received a notification letter, a free case review can help clarify your options and potential next steps. Understanding your legal rights and whether you may be eligible for compensation is a personal decision that can be informed by a professional assessment.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Informa data breach notice and letter questions

Is the Informa data breach letter legit or a scam?
A notice from Informa in the mail matches the breach Informa reported to the CA Attorney General on April 17, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Informa through a phone number or website you find yourself.
Where can I see the official Informa breach notice?
Informa's report is published by the CA Attorney General: https://oag.ca.gov/privacy/databreach/list#informa-including-informa-exhibitions-u--2026-04-17 Compare it with the letter you received to confirm the dates and details match.
Did Informa offer free credit monitoring?
Check your letter from Informa. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Signing up doesn't waive any legal rights you may have.
What should I do after getting the Informa data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is there a Informa data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Informa. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
Do I need a Informa data breach lawyer or attorney?
Talking to a data breach attorney costs nothing here. A lawyer can read your notice, explain your rights under your state's law and tell you whether a claim makes sense.
How much could a Informa data breach settlement or claim be worth?
There is no set amount, and no Informa settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Can I sue Informa over the data breach?
It depends on what was exposed, the law in CA and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.

Source: CA Attorney General filing

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