National Public Data, a Florida-based data broker, has filed for Chapter 11 bankruptcy following a massive data breach that compromised millions of Social Security numbers. The company faces multiple lawsuits and regulatory challenges, with its owner stating that repayment of debts is unlikely. The breach, attributed to a hacker, affected around 300 million individuals. The company's assets are valued at less than $75,000, and it has reported significant losses. With its insurance provider declining coverage, it remains uncertain if affected individuals will receive any compensation.