Device Certificate Manager by Viakoo is a component of the Viakoo Action Platform designed to provide centralized, automated full lifecycle management for 802.1x, TLS, and OPC-UA certificates across IoT devices at enterprise scale. It addresses the complexity of installing and maintaining certificates for numerous IoT devices from multiple vendors, enabling the extension of Zero Trust coverage to IoT devices through automated certificate provisioning and management. The solution supports various certificate types including 802.1x, TLS, and OPC-UA, catering to different IoT device requirements and industry standards. It handles the entire lifecycle of certificates, including issuance, deployment, status monitoring, refreshing, and revocation, ensuring continuous security coverage for IoT devices across multiple sites and geographies.