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CrossCheck, Inc.; AutoNation, Inc. data breach

Incident readout

Company
CrossCheck, Inc.; AutoNation, Inc.
Reported to
Maryland Attorney General
Filed
March 4, 2025
People affected
Not stated in the filing
Incident type in filing
Not stated
Our review
Monitoring
Read the official filing

Was this a ransomware attack?

The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.

Information listed in the filing

  • Full Name
  • Social Security Number
  • Date of Birth
  • Driver License Number
  • Financial Account Information
  • Credit Application Data
  • Mailing Address
  • Phone Number

What we know

AutoNation, Inc. is a premier automotive retailer and dealership network, operating extensive sales, financing, leasing, and service operations across the United States. In the course of facilitating vehicle purchases, trade-ins, financing applications, and vehicle maintenance, the company routinely collects vast repositories of sensitive consumer and employee data. This operational model requires AutoNation to process extensive personally identifiable information, making it a major repository for financial and personal records that are highly attractive to cybercriminals.

In 2025, CrossCheck, Inc. and AutoNation, Inc. reported a significant security incident to the Maryland Attorney General, raising serious concerns regarding network security vulnerabilities and data governance. Incidents impacting automotive retail conglomerates typically involve sophisticated cyberattacks, such as unauthorized intrusions into centralized customer relationship management systems, third-party vendor compromises within the automotive supply chain, or ransomware deployments targeting operational databases. These threat vectors can expose fragile network perimeters, leaving extensive archives of consumer and employee files vulnerable to exfiltration.

Data breach notifications stemming from the automotive retail sector generally involve the exposure of high-risk data categories, including full names, dates of birth, Social Security numbers, driver license numbers, and detailed financial account or credit application information. The compromise of this specific combination of data creates severe, immediate risks for affected individuals. Social Security numbers and driver license numbers provide the exact building blocks required for identity theft and fraudulent credit applications, while financial and banking details expose victims to unauthorized account withdrawals, predatory loans, and persistent financial fraud that can take years to resolve.

As major commercial entities handling sensitive consumer information, CrossCheck and AutoNation are bound by stringent legal obligations under state consumer protection statutes, the Federal Trade Commission Act, and applicable financial privacy regulations. These laws require companies to implement robust administrative, physical, and technical safeguards—such as multi-factor authentication, network segmentation, and regular vulnerability assessments—to protect consumer data from unauthorized access. The occurrence of a data breach strongly suggests a failure in these mandatory security protocols, raising substantial questions about whether the companies met their legal duties of care.

Receiving an official data breach notification letter from CrossCheck or AutoNation serves as formal legal acknowledgment that your private information was compromised due to corporate security failures. Under modern data privacy jurisprudence, the receipt of such a letter provides affected consumers with the legal standing necessary to participate in a class action lawsuit seeking accountability, restitution, and enhanced credit monitoring services. Importantly, victims do not need to prove that they have already suffered actual financial loss to seek legal recourse, and our firm handles these data breach cases on a strict contingency fee basis, meaning there are never any out-of-pocket costs unless we successfully recover compensation on your behalf.

See every breach reported in Maryland or read what to do after a ransomware attack.

After the CrossCheck, Inc.; AutoNation, Inc. incident: what to do and your options

What should I do after getting the CrossCheck, Inc.; AutoNation, 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.
How many people were affected by the CrossCheck, Inc.; AutoNation, 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, Driver License Number, Financial Account Information, Credit Application Data, Mailing Address, Phone Number. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Did CrossCheck, Inc.; AutoNation, Inc. offer free credit monitoring?
Any free monitoring CrossCheck, Inc.; AutoNation, 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.
Where can I see the official CrossCheck, Inc.; AutoNation, Inc. breach notice?
CrossCheck, Inc.; AutoNation, Inc.'s report is published by the Maryland Attorney General: https://oag.maryland.gov/resources-info/Pages/security-breach-notices.aspx#ITU-376502 Compare it with the letter you received to confirm the dates and details match.
Can I sue CrossCheck, Inc.; AutoNation, Inc. over the data breach?
It depends on what was exposed, the law in Maryland 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.
Do I need a CrossCheck, Inc.; AutoNation, Inc. data breach lawyer or attorney?
Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
Is there a CrossCheck, Inc.; AutoNation, 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 CrossCheck, Inc.; AutoNation, 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.
Is the CrossCheck, Inc.; AutoNation, Inc. data breach letter legit or a scam?
A notice from CrossCheck, Inc.; AutoNation, Inc. in the mail matches the breach CrossCheck, Inc.; AutoNation, Inc. reported to the Maryland Attorney General on March 4, 2025. 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 CrossCheck, Inc.; AutoNation, Inc. through a phone number or website you find yourself.
How much could a CrossCheck, Inc.; AutoNation, Inc. data breach settlement or claim be worth?
There is no set amount, and no CrossCheck, Inc.; AutoNation, 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 breaches reported in Maryland

Attorney advertising. This page reflects a public regulator filing; 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.