DigiCert Device Trust Manager vs Test of Things (ToT): Side-by-Side Comparison (2026)

DigiCert Device Trust Manager: IoT device PKI lifecycle mgmt platform from manufacturing to retirement. built by DigiCert. Core capabilities include End-to-end IoT device certificate lifecycle management, Hardware-backed device identity provisioning (TPM and Secure Elements), In-factory birth certificate injection for device manufacturing..

Test of Things (ToT): IoT cybersecurity compliance automation platform for IEC, RED, and CRA standards. built by Test of Things. Core capabilities include Automated compliance assessments and testing, Continuous monitoring of firmware, cloud changes, and vulnerabilities, AI-guided compliance workflows..

Both serve the IoT Security market but differ in approach, feature depth, and target audience.

DigiCert Device Trust Manager differentiates with End-to-end IoT device certificate lifecycle management, Hardware-backed device identity provisioning (TPM and Secure Elements), In-factory birth certificate injection for device manufacturing. Test of Things (ToT) differentiates with Automated compliance assessments and testing, Continuous monitoring of firmware, cloud changes, and vulnerabilities, AI-guided compliance workflows.

DigiCert Device Trust Manager is developed by DigiCert. Test of Things (ToT) is developed by Test of Things. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

DigiCert Device Trust Manager and Test of Things (ToT) serve similar IoT Security use cases: both are IoT Security tools. Review the feature comparison above to determine which fits your requirements.