During June 2026, contributed to the envoyproxy/envoy repository by delivering a feature enhancement focused on TLS mutual authentication. Developed and implemented the suppress_client_ca_list option within the CertificateValidationContext, enabling servers to omit trusted CA names from TLS CertificateRequest messages during mTLS handshakes. This approach maintained client certificate validation against configured certificate authorities while reducing exposure of trust store details, thereby improving security and privacy. The work was completed in C++ and leveraged expertise in backend development and network security. The enhancement preserved existing mTLS workflows, requiring no changes to client authentication behavior and addressing a documented security concern.