The easy way to add Matter and security to your smart home devices OPTIGA™ Trust M MTR is our OPTIGA™ Trust M discrete security solution combined with a Matter provisioning service. It is Matter-certified and works with any MCU/SoC, making it easy to add secured Matter compatibility to existing IoT designs. Working closely with our partner Kudelski IoT, we offer late-stage personalized Device Attestation Certificate injection to give OEMs the flexibility to update DACs right up until the start of production.