Shadow APIs: An Overlooked Cyber-Risk for Orgs

Shadow APIs—undocumented, outdated, or unused API endpoints—significantly expand an organization's attack surface and are frequently targeted by attackers; organizations should discover and inventory APIs, document or decommission shadow endpoints, remediate implementation flaws (e.g., unauthenticated access, sensitive data in URLs, permissive CORS), and strengthen runtime detection, response, and threat-hunting to mitigate API-focused attacks.