TSU One Holdings Data Breach Exposes Sensitive Personal Information TSU One Holdings LLC, a Fort Worth, Texas-based utility services and contracting company, recently disclosed a data breach affecting thousands of individuals. The incident was reported to the Texas Attorney General on March 25, 2026, with 2,886 Texas residents confirmed as impacted. The total number of affected individuals nationwide remains undisclosed. The breach was first detected on January 15, 2026, when the Qilin ransomware group claimed responsibility on the dark web, stating it had exfiltrated data from Texas State Utilities Inc. The exact timeline of the unauthorized access has not been publicly confirmed. Exposed data includes names, Social Security numbers, driver’s license numbers, government-issued IDs (such as passports), and financial information (including account and payment card details). TSU One Holdings notified affected individuals via U.S. Mail, though limited details are available about the company’s broader response. While the full scope of the breach remains unclear, the incident underscores the ongoing threat of ransomware attacks targeting critical infrastructure and sensitive personal data.