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AutoZone reported that 184,995 people were affected by a data breach linked to the 2023 MOVEit Transfer attacks—often rounded to 185,000 in headlines. The company’s filing with the Maine Attorney General says the exposed information included names or other personal identifiers together with Social Security numbers. AutoZone listed May 28, 2023, as the breach date, November 3 as the discovery date, and November 21 as the date it notified consumers.
This was a 2023 incident, not a newly disclosed 2026 breach. If you received a notice, check whether its Equifax monitoring offer is still usable, and consider freezing your credit with all three bureaus. Monitoring can alert you to certain activity; a freeze can make it harder for someone to open new credit in your name.
What happened in the AutoZone data breach?
Attackers exploited a vulnerability in MOVEit Transfer, a managed file-transfer product made by Progress Software. MOVEit is used by organizations to exchange files, sometimes including sensitive personal information. SecurityWeek linked the AutoZone incident to the Cl0p cybercrime group’s broader MOVEit campaign and identified the exploited vulnerability as CVE-2023-34362.
The state filing describes an external system breach and information acquired from the system involved. That does not establish that AutoZone’s entire corporate network was compromised. In this campaign, attackers targeted vulnerable file-transfer software and stole data; describing it simply as ransomware that encrypted AutoZone’s systems would go beyond the available evidence.
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How many people were affected?
AutoZone reported 184,995 people affected, according to its Maine Attorney General filing. The commonly reported figure of 185,000 is a rounded headline number. The filing also lists 293 affected Maine residents.
The official record says “persons affected”; it does not establish that every person was a retail customer. Some coverage uses “customers,” but that narrower description is not confirmed for the entire group by the state filing.
What information was exposed?
The Maine filing identifies names or other personal identifiers together with Social Security numbers. A secondary legal-information page says dates of birth were involved in some cases; that detail is not specified in the Maine filing and should not be assumed to apply to everyone.
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The available primary notice does not identify payment-card numbers, passwords, bank-account details or medical information as exposed. Do not infer that those data types were involved just because a breach occurred.
AutoZone MOVEit breach timeline
| Date | What the sources report |
|---|---|
| May 28, 2023 | The breach date listed in AutoZone’s Maine filing. |
| August 15, 2023 | SecurityWeek reported this as the date AutoZone determined data exfiltration had occurred. |
| November 3, 2023 | The discovery date listed in the Maine filing. |
| November 21, 2023 | The consumer notification date listed in the filing. |
These dates describe different recorded milestones, not necessarily one moment when the breach began and ended. The state filing lists May 28 as the breach date, while SecurityWeek separately reports an August 15 exfiltration determination. The available sources do not fully reconcile the sequence.
What did AutoZone offer affected people?
The Maine filing says AutoZone offered 12 months of Equifax three-bureau credit monitoring and sent written notices. SecurityWeek reported that AutoZone temporarily disabled MOVEit, patched the vulnerability and rebuilt the affected system.
The monitoring offer was part of the 2023 response. Do not assume enrollment is still available in 2026: check the original notice for an activation code, deadline and current contact details. If the notice has expired, the basic protective steps below remain useful.
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Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Credit monitoring is not the same as a credit freeze. Monitoring can alert you to certain changes that appear in monitored credit files, but it does not block a lender from accessing your report or prevent every kind of identity misuse. A freeze restricts access to your credit file for new-account applications and is generally the stronger preventive step against new-credit fraud. A fraud alert is different again: it asks creditors to take extra steps to verify your identity.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What should affected people do now?
- Verify the notice. Find the original letter or email and confirm that it is genuine before using an enrollment link or sharing information. For unexpected messages, contact AutoZone through a channel you independently verify rather than clicking a link in the message. Keep the notice and any enrollment confirmation.
- Use the offered monitoring if it remains available. Follow the instructions and deadline in your notice. Do not pay for a new subscription just to use a benefit that was already offered; first check whether that benefit is still valid and what it covers.
- Consider freezing your credit at all three bureaus. A freeze is free and must be placed separately with Equifax, Experian and TransUnion. You can temporarily lift a freeze when you need to apply for credit. A freeze does not stop all fraud—for example, it does not secure an existing bank account—but it can help prevent someone from opening new credit using your details.
- Review credit reports and account activity. Check for unfamiliar accounts or inquiries, and review bank and card statements for transactions you do not recognize. You can get reports through AnnualCreditReport.com, the official source for free credit reports.
- Be alert for follow-up phishing. A breach announcement can become a pretext for fake monitoring offers or support calls. Do not provide your Social Security number, passwords or payment information in response to an unsolicited email, text or call. Go directly to a known official website or number instead.
- Act promptly if you find misuse. Contact the relevant bank, creditor or other institution, document the account or transaction, and report suspected identity theft at the Federal Trade Commission’s IdentityTheft.gov. Save correspondence, reports and any related expenses.
A Social Security number cannot be changed as easily as a password, so a freeze and ongoing attention to account activity are sensible precautions. But exposure does not prove that your identity has been stolen, and it does not mean fraud is certain.
Did AutoZone report fraud involving the exposed data?
In coverage published in November 2023, SecurityWeek reported that AutoZone said it was not aware of instances in which the exposed information had been used for fraud. That is a time-limited statement about what the company knew at the time—not a guarantee that misuse never occurred or could not occur later.
How the incident fits into the wider MOVEit campaign
MOVEit Transfer was used by many organizations, so exploiting the same widely deployed product could expose information held by multiple, otherwise separate organizations. Some victims had a vulnerable MOVEit instance directly targeted; others may have been affected through a vendor or contractor that handled their information. A breach count can also refer to different things—organizations, records or people—and reported person totals can overlap.
Emsisoft’s historical tally dated June 28, 2024, listed 2,773 organizations and 95,788,491 individuals affected by the broader MOVEit incident. Those figures were a tally of reported impacts, not a verified count of unique people. Emsisoft also reported that Progress issued a patch for CVE-2023-34362 on May 31, 2023, and described the flaw’s severity as 9.8 out of 10.
Was there a lawsuit or settlement?
ClassAction.org reported an investigation into possible legal claims and later marked that investigation complete. That page is legal-marketing material, not a court ruling or proof of liability. The sources cited here do not establish that affected people are entitled to compensation or that a class action resulted in a settlement.
Quick Recap
Sources
- Maine Attorney General: AutoZone breach notification — affected count, dates, data types and monitoring offer.
- SecurityWeek — MOVEit campaign context, reported exfiltration date, response and AutoZone’s statement about known fraud.
- Engadget / Associated Press — additional reporting on the breach disclosure.
- Emsisoft — historical MOVEit campaign tally and vulnerability chronology.
- ClassAction.org — legal-investigation context; not a court record.
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