API Penetration Testing: What Businesses Need to Know
APIs power modern applications, mobile platforms, SaaS products, payment systems and enterprise integrations. They also create a significant attack surface. A vulnerable API can expose customer data, allow unauthorized transactions, bypass access controls or provide attackers with a path into connected systems. API Penetration Testing helps organizations identify and validate these security risks before they become incidents. What Does API Penetration Testing Cover? A professional assessment should examine much more than whether an endpoint responds securely. Key areas include: 1. API Discovery Organizations may have documented, undocumented, legacy, internal, partner and third-party APIs. Testing should identify the actual attack surface and compare it with available API documentation. 2. Authentication Testing evaluates login mechanisms, tokens, MFA, session handling, password recovery, expiration and token lifecycle controls. 3. Authorization Strong authentication does not gua...