Retail and E-Commerce Security Testing: Protecting Transactions and Customer Data for Singapore Enterprises

E-commerce platforms combine multiple high-risk functions: payment processing, customer account management, inventory systems, and third-party integrations. Security testing covers: payment flow integrity (can prices or quantities be manipulated?), account takeover prevention, session management during checkout, API security for mobile apps and third-party integrations, stored customer data protection, and PCI DSS compliance. Our experience testing e-commerce platforms across multiple geographies reveals that business logic flaws in cart and checkout flows are consistently the most critical findings.