Enforce Real Device Identity Across Your Stack

Backed by TPMs and open standards, Smallstep gives you provable trust across devices, workloads, users, and the AI systems and MCP-enabled agents that run on them. Built on verifiable identity, trusted at enterprise scale.

Works with these (and more)

TPM

macOS

Linux

ACME

YubiKey

ChromeOS

Okta

Jamf

Browser Certs

Azure AD

Android

Relay

Why Security & Platform Teams Choose Smallstep

• Hardware-rooted identity: Credential reuse and spoofing eliminated at the edge
• Automated lifecycle: No more manual cert renewal, no more drift
• Cloud-native and on-prem ready: Works across heterogeneous systems
• Open core: Auditable, extensible, and trusted in real deployments

Who We’re Built For

Identity is infrastructure. We'll show you how to operationalize it.

• Security engineers needing stronger device posture enforcement
• Platform teams automating trust in CI/CD, provisioning, and onboarding
• CISOs requiring device-level enforcement in Zero Trust rollouts
• Enterprises aligning to NIST SP 800-207, CISA ZTMM, or FedRAMP Zero Trust strategies

Identity is infrastructure. We’ll show you how to operationalize it.

Smallstep co-developed the ACME Device Attestation standard with Google. It has now been adopted and is trusted in production by both Apple and Samsung.