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Smallstep
Smallstep is a San Francisco cybersecurity company building the first hardware-backed device identity platform. Founded in 2016 by Mike Malone, it grew out of the widely used open-source step-ca project - a private certificate authority and ACME server - and now sells enterprises a way to bind access to Wi-Fi, VPNs, SaaS apps and SSH to verified hardware. Its co-developed ACME Device Attestation standard, built with Google at the IETF, uses hardware co-processors to stop credential theft, phishing and impersonation. Smallstep has raised $26M and was a 2025 RSAC Innovation Sandbox top-10 finalist.
Infisical
Infisical is an open-source security platform that helps engineering teams manage secrets, certificates, and machine identities in one place. Born out of Y Combinator's W23 batch, it replaces scattered .env files and hardcoded API keys with a unified, MIT-licensed stack covering secrets management, dynamic secrets, rotation, secret scanning, PKI, KMS, SSH, and privileged access. Used by companies like Hugging Face, LG, and Lucid, it secures billions of secrets and is backed by Elad Gil, Google's Gradient Ventures, and Y Combinator.
Teleport
Teleport is the infrastructure identity company. Its open-source Access Platform replaces shared secrets, VPNs, and long-lived credentials with short-lived cryptographic identities for humans, machines, and AI agents accessing servers, Kubernetes clusters, databases, applications, and Windows desktops.