Online marketplaces implement a variety of measures to safeguard customers’ personal and financial information. These measures typically include encryption technology to secure data transmission, secure payment gateways with reliable authentication processes, regular security audits and updates to protect against cyber threats, and compliance with industry standards such as PCI-DSS. Additionally, many platforms offer features like two-factor authentication and data encryption at rest to enhance data protection. By implementing these robust security measures, online marketplaces prioritize customer trust and data privacy.