Device Authority DDKG vs TrustFour: side-by-side comparison (2026)
Device Authority DDKG is a commercial non-human identity solution by Device Authority. TrustFour is a commercial non-human identity solution by TrustFour. Features, integrations, deployment and the company behind each one, side by side.
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Patented trust anchor tech using device hardware attributes for root of trust
TLS control plane securing NHIs via mTLS, ephemeral PSKs, and workload policy.
Side-by-side comparison
Feature
Device Authority DDKG
TrustFour
Pricing model
Commercial
Commercial
Category
Non-Human Identity
Non-Human Identity
Deployment and fit
Deployment type
Hybrid
Hybrid
Company size fit
Mid-Market, Enterprise
Mid-Market, Enterprise
Company
Company
Device Authority
TrustFour
Use cases and capabilities
Hardware Security
Yes
No
Non-Human Identity
No
Yes
TLS
No
Yes
Workload Security
No
Yes
Least Privilege
No
Yes
Agentic AI Security
No
Yes
Quantum Safe
No
Yes
Kubernetes Security
No
Yes
GenAI Security
No
Yes
Lateral Movement
No
Yes
Core features
6 features listed
9 features listed
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