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Opportune LLP data breach investigation

Opportune LLP, a global energy consulting firm, officially reported a data breach to Indiana authorities on September 17, 2026, which occurred on June 22, 2026. This incident involved the compromise of highly sensitive personal information, creating substantial risks of identity theft and financial fraud for affected individuals.

Filed
September 17, 2026
Regulator
Indiana AG
People affected
Not stated
File status
Monitoring

What the filing confirms

  • Opportune LLP reported the incident to the Indiana Attorney General.
  • Information involved: Full Name, Social Security Number, Date of Birth, Mailing Address, Wage and Compensation Information, Tax Return Information, Direct Deposit Account Details, Employee Identification Number.

Still unknown

  • How many people were affected. The filing does not give a number.
  • What caused the incident beyond the description in the filing.
  • How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.
Read the filing at the source

Investigation notes

The global energy consulting firm, Opportune LLP, officially confirmed a data security incident to Indiana authorities on September 17, 2026. This breach, which occurred on or about June 22, 2026, has initiated an open investigation into the firm's data protection practices and its response to the compromise. The record indicates that a range of confidential personal data was accessed by unauthorized parties.

The confirmed exposure includes highly sensitive details such as Full Name, Social Security Number, Date of Birth, Mailing Address, Wage and Compensation Information, Tax Return Information, Direct Deposit Account Details, and Employee Identification Number. This combination of information significantly elevates the risk of identity theft, various forms of financial fraud, and fraudulent tax filings for those whose data was compromised. Such data can be exploited for years after an incident.

As a professional services firm entrusted with vast amounts of confidential information, Opportune LLP is legally obligated under Indiana state law and common law principles to maintain robust cybersecurity safeguards. These obligations include implementing measures designed to prevent unauthorized access to and exfiltration of personal data. The occurrence of this data breach suggests that the protective controls in place at the time were insufficient to withstand modern cyber threats.

If you have received a data breach notification letter from Opportune LLP, it serves as official confirmation that your personal data was directly compromised in this incident. Receiving this notice establishes your standing to explore potential legal remedies, even if you have not yet experienced direct financial harm or identity theft. Waiting for actual loss can complicate your ability to seek recourse.

Our firm is actively reviewing cases related to the Opportune LLP data breach. We help affected individuals understand their legal options and, where appropriate, pursue compensation on a contingency fee basis, meaning there are no out-of-pocket costs to you unless we successfully recover funds on your behalf.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Opportune LLP used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in Indiana.

Opportune LLP data breach questions

How many people were affected by the Opportune LLP 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, Wage and Compensation Information, Tax Return Information, Direct Deposit Account Details, Employee Identification Number. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is the Opportune LLP data breach letter legit or a scam?
A notice from Opportune LLP in the mail matches the breach Opportune LLP reported to the Indiana Attorney General on September 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 Opportune LLP through a phone number or website you find yourself.
Did Opportune LLP offer free credit monitoring?
Look for an enrollment code in your Opportune LLP notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. 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 Opportune LLP 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 Opportune LLP. 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 Opportune LLP 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 Opportune LLP breach notice?
Opportune LLP's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#opportune-llp-2026 Compare it with the letter you received to confirm the dates and details match.
Do I need a Opportune LLP 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 Opportune LLP over the data breach?
It depends on what was exposed, the law in Indiana 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 Opportune LLP data breach settlement or claim be worth?
There is no set amount, and no Opportune LLP 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 open files in Indiana

Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.