ABC Supply Co., Inc. Data Breach Lawsuit Investigation

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Active investigation Data breach · Other Notices mailed Aug 7, 2026

Got a data breach letter from ABC Supply?

Dapeer Law, P.A. is investigating a potential class action against ABC Supply, on behalf of individuals whose personal information may have been subject to unauthorized access or acquisition in a cybersecurity incident described in ABC Supply's notice letters.

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People affected
1,864
Total reported to the Indiana Attorney General
Breach window
Mar 10, 2026
Breach date given to the Indiana AG
Notification delay
About 5 months
Breach Mar 10, 2026 (Indiana), notices Aug 7, 2026
Credit monitoring
2 years
Through IDX, per the Massachusetts letters
Updates

Latest on the ABC Supply data breach

  • : Dapeer Law opened its investigation following notice filings posted by the Indiana, Massachusetts and Vermont Attorneys General.
Eligibility

Who qualifies for the ABC Supply data breach investigation

You may be eligible to participate in a class action if any of the following applies:

  • You received a data breach notification letter from ABC Supply.
  • Your letter offered free IDX identity protection services, including two years of credit monitoring.
  • Your personal information may have been subject to unauthorized access or acquisition in the ABC Supply cybersecurity incident.
  • No proof of harm required to consult with counsel. You do not need to have already suffered identity theft to explore your legal options.
  • Excluded: individuals who did not receive a breach notice and whose information was not involved in the incident.

Not sure if you qualify?

Send us your notice, we'll confirm your eligibility at no cost.

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Background

What happened in the ABC Supply data breach

ABC Supply's notice letter of August 7, 2026, posted with its Massachusetts filing, describes a "cybersecurity incident" that may have involved personal information. The letter says ABC Supply took steps to secure its systems immediately after discovering the incident, and that certain information "may have been subject to unauthorized access or acquisition." The letter does not say when the incident was discovered or how it happened. ABC Supply gave the Indiana Attorney General March 10, 2026 as the date the breach occurred, and notices were sent August 7, 2026, according to the Indiana Attorney General.

The posted letter shows the data categories only as a placeholder, so it does not show what was involved for any one person. The Massachusetts filing lists driver's license numbers and Social Security numbers. The Vermont filing lists Social Security Numbers, Government ID Numbers, Financial Account Codes and Credit and Debit Account Info. ABC Supply says it has no evidence of identity theft related to the incident.

ABC Supply reported 1,864 affected individuals to the Indiana Attorney General, including 13 Indiana residents. The August 7, 2026 Massachusetts filing lists 43 Massachusetts residents and the November 2, 2026 Massachusetts filing lists 62, and the Vermont Attorney General's table lists 6 Vermonters. A second letter posted in Massachusetts, from October 30, 2026, refers to "a recent incident" and was reported to Massachusetts and to the Vermont Attorney General on November 2, 2026. Both letters offer two years of IDX credit monitoring, with enrollment deadlines of November 7, 2026 (August 7 letter) and January 30, 2027 (October 30 letter).

Top of the sample ABC Supply Co., Inc. data breach notice letter filed with the Massachusetts Attorney General
Sample notice letter filed with the Massachusetts Attorney General. Your letter may look slightly different.
Cybersecurity incident Social Security numbers listed Massachusetts filing Vermont AG filing Indiana AG report
Action plan

What to do if you got an ABC Supply data breach letter

1

Keep your notice letter

Do not discard it. Your letter contains the IDX enrollment code and is important evidence if you decide to participate in a lawsuit.

2

Enroll in the free two-year IDX monitoring

Enroll in the IDX identity protection services offered in your letter before the deadline printed on it: November 7, 2026 in the August 7, 2026 letter, and January 30, 2027 in the October 30, 2026 letter. Accepting this benefit does not waive your right to pursue legal action.

3

Place a fraud alert or credit freeze

Contact Equifax, Experian, and TransUnion to place a fraud alert or freeze on your file. Request a free weekly credit report from AnnualCreditReport.com, and use the FTC's IdentityTheft.gov recovery guide.

4

Speak with a data breach attorney

Consultations with Dapeer Law are free and confidential. We'll review your notice, explain your options, and advise whether you may be eligible to join a class action.

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Timeline

ABC Supply breach timeline

Mar 10, 2026 Passed
Breach date ABC Supply gave the Indiana Attorney General
Aug 7, 2026 Passed
First notice letter, reported in Massachusetts; notices sent, according to the Indiana Attorney General
Aug 11, 2026 Passed
Reported to the Vermont Attorney General
Oct 30, 2026 Passed
Second notice letter
Nov 2, 2026 Passed
Second report to Massachusetts and the Vermont Attorney General
Pending Active
Potential class action filing
Statutes of limitations vary by state and legal theory, typically one to six years. Waiting can permanently bar your claim.
Possible recovery

Compensation you may be entitled to

Out-of-pocket expenses

Credit freezes, identity restoration services, and other costs incurred responding to the breach.

Time spent monitoring

Hours spent reviewing accounts, disputing fraudulent charges, and dealing with identity theft issues.

Identity theft & fraud losses

Unreimbursed funds stolen from accounts, unauthorized credit lines, or tax refund fraud tied to the breach.

Statutory damages

Certain state data breach and consumer protection statutes provide for fixed damages regardless of actual loss.

Injunctive relief

Court orders requiring ABC Supply to implement stronger data security practices going forward.

Compensation categories depend on applicable state law, the types of data exposed, and documented losses. No recovery is guaranteed.

FAQ

ABC Supply data breach FAQ

I received a data breach letter from ABC Supply. What should I do? +

Keep the letter and enroll in the free IDX identity protection services before the deadline printed in it: November 7, 2026 for the August 7, 2026 letter, and January 30, 2027 for the October 30, 2026 letter. Review your account statements, consider a fraud alert or credit freeze, and contact a data breach attorney for a free consultation. Accepting the monitoring does not waive your right to pursue a claim.

Is the ABC Supply data breach letter real or a scam? +

ABC Supply has reported this incident to the Indiana, Massachusetts and Vermont Attorneys General. Compare your letter to the official filing linked in Sources below, and use only the enrollment website and phone number printed in your letter. Be cautious of unexpected calls, texts or emails about the breach that ask for your Social Security number or account login. If you are unsure, send your letter to Dapeer Law for a free review.

Am I eligible to join a class action against ABC Supply? +

If you received a breach notice from ABC Supply about this incident, you are likely eligible for a free case evaluation. Eligibility depends on your state of residence, the categories of your data that were involved, and any losses you have suffered. Dapeer Law will review your notice at no cost.

How much money could I receive from a class action lawsuit? +

Data breach class action recoveries vary significantly. Settlements typically range from a few hundred dollars for basic out-of-pocket losses to several thousand dollars for documented identity theft, with class size, damages, and negotiation all affecting the final amount. No payout is guaranteed, and this investigation has not yet resulted in a settlement.

What personal information was exposed in the breach? +

The letter posted with the Massachusetts filing shows the data categories only as a placeholder, so it does not show what was involved for any one person. The Massachusetts filing lists driver's license numbers and Social Security numbers. The Vermont filing lists Social Security Numbers, Government ID Numbers, Financial Account Codes and Credit and Debit Account Info. ABC Supply says this information "may have been subject to unauthorized access or acquisition." Your individual letter should list the categories involved for you.

Did ABC Supply offer free credit monitoring? +

Yes. Both letters posted in Massachusetts offer complimentary IDX identity protection services, including two years of credit monitoring, CyberScan dark web monitoring, a $1,000,000 identity theft insurance reimbursement policy and fully managed identity theft recovery services. The August 7, 2026 letter also lists account takeover or compromised credential monitoring. The enrollment deadline is November 7, 2026 in the August 7, 2026 letter and January 30, 2027 in the October 30, 2026 letter. Enrollment does not waive your right to pursue a claim.

How many people were affected by the ABC Supply breach? +

ABC Supply reported 1,864 affected individuals to the Indiana Attorney General, including 13 Indiana residents. The August 7, 2026 Massachusetts filing lists 43 Massachusetts residents and the November 2, 2026 Massachusetts filing lists 62, and the Vermont Attorney General's table lists 6 Vermonters. State counts are partial counts and are not added together. This page will be updated as more information becomes available.

Is there a deadline to take legal action? +

Yes. Statutes of limitations for data breach claims vary by state and legal theory, typically ranging from one to six years. Waiting can permanently bar your claim. Contact us as soon as possible for a free evaluation.

How do I get a copy of the official breach notice? +

ABC Supply's notice letters are posted on the Massachusetts government website (linked in Sources below). The report is also listed in the Vermont Attorney General's Security Breach Notices table and in the Indiana Attorney General's data breach report. If you received a letter but no longer have it, Dapeer Law can assist you in obtaining a copy during your free consultation.

References

Sources & references

Attorney advertising. This page is provided for informational purposes only. It does not constitute legal advice or form an attorney-client relationship. Dapeer Law, P.A. is not affiliated with ABC Supply Co., Inc., IDX, or any credit bureau. Prior results do not guarantee a similar outcome. Information regarding the data incident is drawn from official filings with the Indiana, Massachusetts and Vermont Attorneys General.
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