Device Authority KeyScaler AI 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.
AI/ML module for device identity security and anomaly detection
TLS control plane securing NHIs via mTLS, ephemeral PSKs, and workload policy.
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Based on what each listing shows: deployment, company size, price and open source.
Device Authority KeyScaler AI fits if you want a cloud product and you are a small business.
TrustFour fits if you need both cloud and on-premises options.
Common questions when comparing Device Authority KeyScaler AI vs TrustFour for Non-Human identity.
Device Authority KeyScaler AI: AI/ML module for device identity security and anomaly detection, built by Device Authority.
TrustFour: TLS control plane securing NHIs via mTLS, ephemeral PSKs, and workload policy, built by TrustFour.
The table above shows where their features, integrations, deployment and company size fit differ.
Device Authority KeyScaler AI is made by Device Authority. TrustFour is made by TrustFour. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Device Authority KeyScaler AI and TrustFour are both Non-Human Identity products. Use the table above to see where features, deployment and company size fit differ.
No Non-Human Identity shortlist yet. This is the closest one.
Updated 2026-11-01
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