The 0SPay Inc dba Stack Sports Data Breach: Incident Facts and Free Case Review
0SPay Inc, doing business as Stack Sports, operates as a prominent technology and payment processing provider tailored specifically to the youth and amateur sports ecosystem. The company supplies foundational infrastructure, including registration platforms, league management software, payment gateways, and membership portals, to sports leagues, governing bodies, clubs, and athletic associations across the country. Because Stack Sports sits at the intersection of recreational athletics and financial transaction processing, it routinely collects, stores, and manages massive volumes of sensitive, personally identifiable information for millions of families, coaches, and minor athletes. This vast digital repository includes not only basic contact details and account credentials, but also sensitive financial records, credit card data, bank account information, and dates of birth necessary to verify age groups and process league fees.
Received a 0SPay Inc dba Stack Sports notification letter? Find out in minutes if you qualify for compensation.
Free case review- State
- Indiana
- Breach date
- May 8, 2026
- Reported
- July 27, 2026
What may have been exposed
- Full Name
- Date of Birth
- Email Address
- Mailing Address
- Payment Card Information
- Financial Account Number
- Routing Number
- Transaction and Registration History
In 2026, Stack Sports reported a significant cybersecurity incident to the Indiana Attorney General, raising urgent concerns regarding the security of its digital infrastructure and payment networks. While specific forensic details continue to emerge, data breaches affecting technology platforms and payment processors of this scale typically involve unauthorized intrusions into central databases, exploitation of vulnerable application programming interfaces (APIs), or compromises within third-party vendor integrations. Given the lucrative nature of payment portals and sports registration databases, malicious actors frequently target these platforms to exfiltrate bulk datasets, deploy ransomware, or establish covert access to financial transaction streams without immediate detection.
The exposure of data originating from a sports registration and payment platform creates severe, multi-layered risks for affected individuals and their families. When data types such as full legal names, dates of birth, email addresses, billing addresses, and financial account or credit card numbers are compromised, victims face an immediate and persistent threat of financial fraud, unauthorized credit card charges, and identity theft. Furthermore, because platforms like Stack Sports frequently manage data concerning minors—who have pristine credit profiles—the compromise of a child's identifying information is uniquely insidious. Minor identity theft often goes undetected for years, severely impairing a young person's creditworthiness and financial standing long before they reach adulthood.
As a commercial entity collecting and processing sensitive consumer financial data, Stack Sports is bound by stringent legal obligations under federal and state consumer protection statutes, including the Federal Trade Commission Act and applicable Indiana data security and privacy laws. These legal frameworks mandate that companies implementing payment processing and registration software maintain robust, multi-layered security measures, such as advanced encryption, rigorous vulnerability testing, secure access controls, and strict compliance with Payment Card Industry Data Security Standards (PCI-DSS). The occurrence of a data breach strongly indicates a potential failure to fulfill these foundational legal duties, suggesting that reasonable security safeguards were either neglected or improperly maintained.
Receiving an official data breach notification letter from Stack Sports serves as formal, legal acknowledgment that your personal or financial information was compromised as a direct result of corporate negligence. Legally, the receipt of this notice establishes the concrete standing required to participate in class action litigation aimed at demanding accountability, compensation, and mandatory security upgrades. Under prevailing legal standards, victims are not required to prove that financial loss has already occurred to seek legal redress; the increased risk of future identity theft and the forced burden of monitoring one's financial accounts are actionable harms. Our firm evaluates these data breach claims on a strict contingency fee basis, meaning affected individuals pay zero upfront costs and owe no legal fees unless financial recovery is successfully obtained on their behalf.
Received the 0SPay Inc dba Stack Sports notification letter? The 0SPay Inc dba Stack Sports case file tracks this filing.
What to do if you were affected
Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.
Watch your financial accounts
Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.
Secure your online accounts
Change the password on any account that reused an exposed password and turn on two-factor authentication wherever it's offered.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Source: Indiana Attorney General filing
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