Dapeer Law, P.A., a top-rated class action law firm, is investigating the Thompson & Horton LLP data breach. If you received notice that your information was exposed during this breach, you may be entitled to compensation. It's free to join our investigation to see if we can help you recover.

Thompson & Horton LLP Data Breach Lawsuit Investigation

Thompson & Horton LLP has disclosed that unauthorized actors accessed sensitive client and employee data during an April–May 2024 network intrusion. If you received a breach notice dated October 29, 2025, you may be entitled to free credit monitoring and potential cash compensation. Contact us today for a no-cost, confidential case evaluation.

Download Official Breach Notice (PDF)

Key Facts About the Thompson & Horton LLP Data Breach

Breach period: April 13 – May 03, 2024
Discovery date: May 03, 2024
Consumer notifications mailed: October 29, 2025
Total individuals affected: 41,222 (reported in Texas)
Type of event: Unauthorized access to a server hosted by managed IT provider All Covered
Free credit monitoring offered: 24 months via Cyberscout (TransUnion)

How the Thompson & Horton Breach Happened

On May 03, 2024, Thompson & Horton detected unusual network activity and engaged third-party forensic specialists. The investigation confirmed that an attacker infiltrated a server managed by the firm’s IT services provider, All Covered, between April 13 and May 03 2024. The unauthorized party was able to access portions of the server that stored personal information.

What Information Was Exposed

The data elements vary by individual. According to state regulatory filings:

Name
Address
Date of birth
Social Security number
Driver’s license or state ID number
Passport or other government-issued ID number
Financial account or credit/debit card number
Medical and health-insurance information

Notices filed in Maine indicate that, at minimum, first and last names were involved for residents of that state.

What Thompson & Horton LLP Is Doing in Response

Engaged independent forensic experts to investigate the incident.
Notified federal law-enforcement authorities.
Reviewed internal policies and procedures related to data security.
Provided 24 months of complimentary credit monitoring and identity-theft protection through Cyberscout.

Recommended Next Steps for Affected Individuals

Thompson & Horton urges those notified to:

Enroll in the complimentary Cyberscout credit-monitoring service.
Closely review bank, credit-card, and health-insurance statements for unauthorized activity.
Report any suspicious transactions to the relevant financial institution immediately.
Consult the “Steps You Can Take to Help Protect Your Information” enclosure for additional resources.

If you experienced fraud, identity theft, or out-of-pocket expenses linked to this breach, request a free legal consultation to explore your rights.

Company Overview

Website: thompsonhorton.com
Headquarters: 3200 Southwest Freeway, Suite 2000, Houston, TX, USA
Industry: Legal Services
Year Founded: 2009
Employee Count: 51-200
Social Profiles: X (Twitter) | LinkedIn | Facebook

Frequently Asked Questions

What happened in the Thompson & Horton LLP data breach?

An unauthorized actor accessed a server hosted by the firm’s IT services provider, All Covered, between April 13 and May 03 2024, exposing personal information.

How many people were affected by the Thompson & Horton data breach?

The firm reported 41,222 affected individuals to the Texas Attorney General.

What data was compromised in the Thompson & Horton LLP breach?

Exposed data may include names, Social Security numbers, dates of birth, addresses, driver’s-license or passport numbers, financial account details, and medical or health-insurance information.

Is Thompson & Horton LLP offering free credit monitoring?

Yes. The firm is providing 24 months of complimentary credit monitoring and identity-theft protection through Cyberscout (a TransUnion company).

Do I qualify for a Thompson & Horton LLP data breach lawsuit?

If you received an official notice—or believe your information was involved—you may qualify. Eligibility often depends on economic loss, time spent resolving fraud, and the sensitivity of data exposed. Contact us for a free case review.

How can I protect myself after the Thompson & Horton data breach?

Enroll in the offered credit monitoring, review financial and medical statements, place fraud alerts where appropriate, and consider freezing your credit if unauthorized activity appears.