RansomwareLawGroup.com

> Cause not stated in filing

Delek US Energy, Inc. data breach investigation

Delek US Energy, Inc. formally reported a data security incident to the Texas Attorney General on October 16, 2026, confirming the exposure of sensitive personal data. This incident places individuals at risk of identity theft, financial fraud, and other harms due to the compromise of their Full Name, Social Security Number, and banking details.

Filed
October 16, 2026
Regulator
Texas AG
People affected
Not stated
File status
Monitoring

What the filing confirms

  • Delek US Energy, Inc. reported the incident to the Texas Attorney General.
  • Information involved: Full Name, Social Security Number, Date of Birth, Mailing Address, Wage and Compensation Information, Direct Deposit Account Details, Tax Return Information, Employee ID 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

On October 16, 2026, Delek US Energy, Inc. filed notice with the Texas Attorney General regarding a data security incident that occurred on July 16, 2026. While the specific nature of this breach remains under investigation, the company has confirmed that personal information entrusted to its systems was exposed. This filing triggers notification obligations for affected individuals and opens a formal inquiry into the circumstances surrounding the event.

The compromised dataset includes highly sensitive information. Delek US Energy, Inc. has reported that affected individuals' Full Name, Social Security Number, Date of Birth, Mailing Address, Wage and Compensation Information, Direct Deposit Account Details, Tax Return Information, and Employee ID Number were exposed. This combination of identifiers creates significant, long-term risks for identity theft, financial account fraud, and potential fraudulent tax filings.

Under Texas law, companies like Delek US Energy, Inc. have a legal responsibility to implement reasonable security safeguards to protect sensitive personal data. The occurrence of a data breach suggests that these protective measures may have been insufficient. Our review will examine whether the company upheld its duty of care in preventing unauthorized access to your private information, including an assessment of its security protocols and incident response.

If you received a data breach notification letter from Delek US Energy, Inc., it means your information was confirmed as exposed. This notification is crucial, as it typically establishes your standing to seek legal recourse. You do not need to have already experienced identity theft or financial loss to inquire about your options. The purpose of these actions is to hold companies accountable for inadequate security and to seek compensation for the ongoing risks you face.

Affected individuals in Texas are encouraged to understand their rights and potential legal avenues. Our firm is currently monitoring this Delek US Energy incident and offers free, confidential case reviews to help you determine your eligibility for legal action. There are no out-of-pocket costs unless we successfully recover compensation for you.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Delek US Energy, Inc. 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 Texas.

Delek US Energy, Inc. data breach questions

How many people were affected by the Delek US Energy, Inc. 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, Direct Deposit Account Details, Tax Return Information, Employee ID Number. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is the Delek US Energy, Inc. data breach letter legit or a scam?
A notice from Delek US Energy, Inc. in the mail matches the breach Delek US Energy, Inc. reported to the Texas Attorney General on October 16, 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 Delek US Energy, Inc. through a phone number or website you find yourself.
Did Delek US Energy, Inc. offer free credit monitoring?
Any free monitoring Delek US Energy, Inc. is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Enrolling does not give up your right to bring a claim.
Is there a Delek US Energy, Inc. 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 Delek US Energy, Inc.. 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 Delek US Energy, Inc. 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 Delek US Energy, Inc. breach notice?
Delek US Energy, Inc.'s report is published by the Texas Attorney General: https://oag.my.site.com/datasecuritybreachreport/apex/DataSecurityReportsPage#BR-0005427 Compare it with the letter you received to confirm the dates and details match.
Do I need a Delek US Energy, Inc. 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 Delek US Energy, Inc. over the data breach?
It depends on what was exposed, the law in Texas 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 Delek US Energy, Inc. data breach settlement or claim be worth?
There is no set amount, and no Delek US Energy, Inc. 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 Texas

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.