STS Aviation Group Data Breach Lawsuit Investigation
Received an October 2026 breach notice from STS Aviation Group?
Dapeer Law, P.A. is investigating a potential class action against STS Aviation Group, an aviation services company, on behalf of individuals whose personal information may have been exposed in the August 2025 cyber incident.
Who may qualify
You may be eligible to participate in a class action if any of the following applies:
- You received a data breach notification letter from STS Aviation Group dated October 2026.
- Your letter offered enrollment in free Experian IdentityWorks credit monitoring (Experian).
- You had personal, financial, health, or employment information held by STS Aviation Group, for example as a current or former employee.
- 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.
What happened
On September 12, 2025, STS Aviation Group ("STS") identified unauthorized access to certain of its systems. According to the sample notice filed with the California Attorney General, an unauthorized third party accessed STS systems on or around August 5, 2025. STS engaged external cybersecurity experts to investigate, blocked the unauthorized access, implemented additional safeguards, and reported the incident to law enforcement.
On September 19, 2026, STS determined that the unauthorized third party had obtained certain personal information. Notification letters dated October 19, 2026 were sent to affected individuals, more than 13 months after the intrusion was discovered. The notice states that the information involved varied by person and may include names, contact information, dates of birth, Social Security, driver's license and passport numbers, financial account and payment card information, medical and health insurance information, fingerprints, race and ethnicity, and work-related records such as salary, evaluations, and workers' compensation claims. STS is offering two years of complimentary Experian IdentityWorks credit monitoring.
Separate state filings report 319 Massachusetts residents and 5,920 Texas residents affected, a known total of 6,239 so far. Because the exposed data may combine Social Security numbers, biometric fingerprint data, and medical information, affected individuals may face elevated identity theft and medical fraud risk. Whether STS's security practices met legal standards, and whether the lengthy notification delay caused additional harm, are among the issues being evaluated.
What to do if you received a letter
Keep your notice letter
Do not discard it. Your letter contains the enrollment code for credit monitoring and is important evidence if you decide to participate in a lawsuit.
Enroll in the free 24-month credit monitoring
Enroll in the Experian IdentityWorks monitoring offered in your letter before the January 29, 2027 deadline. Accepting this benefit does not waive your right to pursue legal action.
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.
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.
Submit your notice for a free review
Two minutes online. A licensed attorney reviews every submission.
Breach timeline
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 the company 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.
Common questions
I received a data breach letter from STS Aviation Group. What should I do? +
Keep the letter, enroll in the free 24-month Experian IdentityWorks credit monitoring before the January 29, 2027 deadline, place a fraud alert or security freeze on your credit file, review your credit reports and health insurance statements, and contact a data breach attorney for a free consultation. Accepting credit monitoring does not waive your right to sue.
Am I eligible to join a class action against STS Aviation Group? +
If you received an October 2026 breach notice from STS Aviation Group, you are likely eligible for a free case evaluation. Eligibility depends on your state of residence, the categories of your data that were exposed, 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 notice states the information varied by person and may include names, contact information, dates of birth, Social Security, driver's license and passport numbers, financial account and payment card information, medical and health insurance information, fingerprints, race and ethnicity, and work-related records such as salary, evaluations, and workers' compensation claims. Not every category applies to every person, so check your individual letter for specifics.
Did STS Aviation Group offer free credit monitoring? +
Yes. STS Aviation Group is providing two years of complimentary Experian IdentityWorks credit monitoring, identity restoration, and identity theft insurance. Enroll before January 29, 2027. Enrollment is separate from, and does not waive, your right to pursue a claim.
How many people were affected by the STS Aviation Group breach? +
STS Aviation Group has not published a nationwide total. State filings report 319 Massachusetts residents and 5,920 Texas residents affected, a known total of 6,239 so far. This page will be updated as additional 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? +
A sample of the notice is filed with the California Attorney General and is available as a PDF (linked in Sources below). If you received a letter but no longer have it, Dapeer Law can assist you in obtaining a copy during your free consultation.
Sources & references
- Official breach notice filing · California Attorney General, STS Aviation Group sample breach notice (PDF)
- Company · STS Aviation Group (stsaviationgroup.com)
- Credit bureau freezes · Equifax · Experian · TransUnion
- Free weekly credit reports · AnnualCreditReport.com
- Identity theft recovery guide · FTC IdentityTheft.gov
Don't let the deadline decide for you. Submit your claim today.
You only have a limited window to act. Our team will review your notice, explain your options, and tell you whether you may be eligible to recover compensation, at no cost to you.