A single leaked field can cost millions. That’s why secure microservices need more than API gateways — they need an access proxy that enforces dynamic data masking in real time.
Microservices run fast and often expose sensitive fields across internal and external APIs. Without a control point, confidential customer data, internal identifiers, or regulated fields can slip through to services that shouldn’t see them. Once exposed, the risk can’t be reversed.
An access proxy for microservices sits between your services and every request. It is not only routing calls; it inspects and transforms payloads on the fly. With dynamic data masking inside the proxy, you can serve partially redacted responses to certain consumers while giving full fidelity data to others. Policy lives outside application code, so changes deploy in minutes, not sprints.
Dynamic data masking works at the field level. Rules can redact PANs except for the last four digits, hash user IDs, or remove medical codes for non-compliant consumers. Because it runs in the proxy, masking applies across all services uniformly, regardless of language or framework. Developers focus on core logic. Security teams set policies once and know they apply everywhere.