The significance of cross-border data flow regulations lies in addressing the challenges posed by data privacy and security in a globalized digital economy. These regulations, such as the General Data Protection Regulation (GDPR), set standards for how personal data should be handled across different jurisdictions. They aim to protect individuals' rights while ensuring businesses can operate seamlessly across borders. By adhering to these regulations, companies can build trust with customers, avoid hefty fines, and promote responsible data management practices.