Were you recently affected by a data breach?
Delek US, a publicly traded energy, refining, and asphalt company based in Tennessee, may have suffered a data breach after a ransomware group claimed responsibility for an attack in August 2026. The scope of exposed data has not yet been confirmed.
Who was affected:
Impacted Data:
Not publicly disclosed at this time
Delek US, a publicly traded energy, refining, and asphalting company headquartered in Tennessee, may have suffered a data breach affecting its employees and others connected to the company. Large energy and industrial companies collect and store extensive personal information on their workforce and business contacts, and they have a legal and ethical responsibility to keep that information secure.
Attorneys working with Class Action U are investigating whether a class action lawsuit can be filed on behalf of individuals affected by a possible Delek US data breach. According to dark web monitoring sources, a hacker group calling itself Helix claimed responsibility for a cyberattack on Delek US in August 2026, alleging it had gained access to internal company systems. As of this writing, Delek US has not issued a public confirmation of the incident, and the exact scope of any exposed data remains unknown.
Large energy and refining companies like Delek US maintain substantial records on their employees and business contacts, including names, contact information, and in many cases Social Security numbers, payroll information, and other sensitive employment records. When that kind of information is compromised, the consequences for those affected can be serious, ranging from identity theft to unauthorized access to financial accounts.
Ransomware attacks against energy and industrial companies have become increasingly common because these organizations often manage critical infrastructure alongside large volumes of employee and vendor data, making them attractive targets for cybercriminals seeking both financial gain and operational disruption. When hackers gain access to this kind of data, they may sell it on the dark web, use it to commit identity theft, or leverage it in follow-on phishing or fraud schemes targeting employees directly. Victims of a workplace-related data breach often face lingering uncertainty about exactly what information was exposed and how it may be used against them in the months and years that follow.
Investigations of this kind typically examine whether the company followed reasonable and industry-standard cybersecurity practices, how quickly it identified and responded to the intrusion once discovered, and how transparently it communicated with those who may have been affected. If it is ultimately confirmed that Delek US experienced a breach and that the company failed to adequately protect the personal information it collected, individuals harmed as a result may be entitled to pursue compensation for damages, including any costs associated with credit monitoring, identity theft protection, or fraud recovery. Class Action U is committed to helping affected individuals understand their rights and connect with legal counsel experienced in data breach litigation as more information about this incident becomes available.
Reports first surfaced in August 2026 that hacker group Helix had targeted Delek US, with the claimed attack estimated to have occurred around the same time the report was published. Delek US has not publicly confirmed the incident, and an exact breach date has not been officially disclosed.
Not publicly disclosed at this time. Based on the nature of Delek US’s business as a large energy, refining, and asphalting company, information potentially at risk in an incident like this can include names, contact information, Social Security numbers, and other employment or business-related records belonging to employees, clients, and vendors.
If you believe you may have been affected by the Delek US data breach, consider taking the following steps to help protect yourself:
If you were affected by the Delek US data breach, you may have legal options available to you. An experienced data breach attorney can help you understand whether you qualify to join a class action lawsuit and what compensation may be available for the harm you’ve suffered.
Contact us at Class Action U, where we’ll connect you with a lawyer skilled in class action lawsuits. If you’ve been contacted about this breach, received notice, or discovered you were impacted, fill out our quick, easy, and secure form to sign up. There is no cost to reach out to our legal partner and no obligation after speaking with someone from our team.
A data breach occurs when sensitive, confidential, or protected information is accessed, stolen, or disclosed without authorization. Data breaches often occur through phishing emails, malware, weak passwords, insider threats, or unsecured databases. Indicators of a data breach can include unexpected password resets, suspicious account activity, unauthorized transactions, or notifications from companies about compromised information.If you suspect your data has been compromised, you must take measures and act quickly. Change passwords, enable two-factor authentication, review your financial accounts for unusual activity and consider freezing your credit.
Once stolen, your personal information may be sold on the dark web or used for identity theft and financial fraud. In some cases, hackers use the data to extort companies or launch further attacks. Victims often face long-term risks, including damage to credit and privacy.
If you receive a data breach notification, don’t ignore it. Immediately change passwords for the affected account and any others that share credentials. Enroll in any free credit monitoring services offered and monitor financial statements closely.
To pursue a data breach claim, you’ll need documentation showing your information was compromised and proof of resulting harm, such as fraudulent charges, credit score damage, or identity theft reports. Notification letters, financial records, and communication with the breached company can help support your claim.
Yes. If a company fails to protect consumer data or delays notifying victims, it may be held liable under state and federal privacy laws. Many victims join class action lawsuits to recover financial losses and hold negligent organizations accountable.
Data breach settlements vary widely depending on the size of the breach, type of data compromised, and damages suffered by victims. Payouts may include cash compensation, identity theft protection, or reimbursement for losses. Many settlements range from a few hundred to several thousand dollars per person. A skilled data breach lawyer can guide victims through the complex legal process, ensuring their rights are protected. If you’ve received a data breach notification or believe your personal data was exposed, you may be eligible for compensation. Contact Class Action U to learn more about how to join a data breach lawsuit and understand the process of filing.
