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The Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” data breach: your legal rights

Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” told the Maine Attorney General that people’s personal information was exposed. If you got a notice, these are the rights you have.

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Your rights after this breach

  • To be told about the breach

    Maine law requires a company that loses residents' personal information to notify them. Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” reported this breach to the Maine Attorney General.

    Maine data breach notification law

  • Limits on what you owe for fraud

    Account or card information is listed. Report unauthorized charges quickly; federal law caps how much you can be held responsible for, and the sooner you report, the lower the cap.

    Electronic Fund Transfer Act and Fair Credit Billing Act

  • To ask whether you can recover money

    If Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” did not take reasonable care of your information, you may have a claim for negligence or under Maine law. An attorney can review it with you for free.

    Maine common law and consumer protection statutes

Rights every American has after a breach

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What Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget (“Informa”) “Supplemental” reported

Reported to
Maine Attorney General
Date filed
May 8, 2026
People notified
Not stated
Cause in filing
Not stated

Information listed in the filing: Full Name, Social Security Number, Date of Birth, Mailing Address, Email Address, Wage and Compensation Information, Financial Account Number, Tax Return Information, Professional Credential Data.

Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget operate as major B2B events, digital media, academic publishing, and technology intelligence powerhouses. Across their vast portfolio of trade shows, conferences, market research platforms, and digital marketing services, these entities collect, process, and store extensive reservoirs of sensitive data. This includes exhaustive professional profiles, corporate executive credentials, vendor financial records, contractor registration details, and employee human resources information. Because Informa bridges the worlds of large-scale commercial exhibitions and data-driven B2B technology platforms, they routinely handle high-value personally identifiable information (PII) belonging to event attendees, speakers, enterprise clients, and internal personnel.

In 2026, Informa formally reported a significant security incident to the Maine Attorney General, categorized under a supplemental data breach filing. Within the context of multinational B2B media, event management, and tech intelligence organizations, breaches of this magnitude frequently stem from sophisticated cyberattacks, including unauthorized access to centralized cloud repositories, third-party vendor compromises within event registration logistics chains, or targeted enterprise ransomware deployments. Given the highly interconnected nature of Informa's digital infrastructure—spanning legacy exhibition databases, modern marketing technology platforms, and corporate HR networks—an intrusion into one subsidiary or supplemental system often exposes vulnerabilities across the broader organizational ecosystem.

The exposure resulting from this incident compromises multiple categories of highly sensitive information, each carrying severe downstream risks for affected individuals. Exposed data types commonly include full legal names, dates of birth, Social Security numbers, banking or corporate financial details, home and business addresses, and professional login credentials. When malicious actors obtain Social Security numbers and dates of birth alongside professional contact details, victims face an immediate and elevated risk of sophisticated identity theft, tax fraud, and unauthorized financial account takeover. Furthermore, corporate and employment data compromised in B2B and tech sector breaches can be weaponized to launch targeted spear-phishing attacks against business executives and industry professionals.

As organizations handling sensitive consumer, contractor, and employee data, Informa entities are legally obligated to implement robust administrative, technical, and physical safeguards. Under state data protection statutes, including the Maine Uniform Deceptive Trade Practices Act and general common law duties of care, as well as federal standards enforced by the Federal Trade Commission (FTC) Act, companies holding PII must maintain rigorous cybersecurity measures. These obligations require regular vulnerability assessments, encryption of data at rest and in transit, strict access controls, and prompt monitoring for unauthorized network activity. The supplemental breach disclosure strongly indicates a systemic failure to meet these legal standards, suggesting that existing security postures were inadequate to defend against modern cyber threats.

Receiving an official data breach notification letter from Informa serves as formal legal admission that your private information was exposed due to inadequate corporate security. Under modern class action jurisprudence, the receipt of this notice establishes legal standing to pursue financial compensation and injunctive relief in court, and crucially, victims are not required to prove that they have already suffered actual financial loss to participate in a lawsuit. Our firm investigates these major corporate data breaches on a strict contingency fee basis, meaning you pay absolutely nothing out of pocket, and we only collect a fee if we successfully recover compensation on your behalf.

See the official filing

Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” data breach questions

How many people were affected by the Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Social Security Number, Date of Birth, Mailing Address, Email Address, Wage and Compensation Information, Financial Account Number, Tax Return Information, Professional Credential Data. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is the Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” data breach letter legit or a scam?
A notice from Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” in the mail matches the breach Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” reported to the Maine Attorney General on May 8, 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 Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” through a phone number or website you find yourself.
Did Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” offer free credit monitoring?
Check your letter from Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental”. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Signing up doesn't waive any legal rights you may have.
Is there a Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” 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 Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental”. 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.
What should I do after getting the Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” 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.
Where can I see the official Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” breach notice?
Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental”'s report is published by the Maine Attorney General: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/0cf1f95e-657b-4493-9401-bc289a8e7d9c.html Compare it with the letter you received to confirm the dates and details match.
Do I need a Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
Can I sue Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” over the data breach?
It depends on what was exposed, the law in Maine 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.
How much could a Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” data breach settlement or claim be worth?
There is no set amount, and no Informa Exhibitions U.S. Construction and Real Estate, Inc., other Informa U.S. entities, and Informa TechTarget “Supplemental” 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. The filing lists Full Name, Social Security Number, Date of Birth as involved. Keep receipts and records; they're what damages claims are built on.

Other breaches reported in Maine

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