Service accounts, workload identities, and secrets governance.
14 vendors ·
Quick answer
Short answer
Non-human identity (NHI) platforms discover and govern service accounts, API keys, OAuth apps, and workload credentials that humans never see.
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Aembit is a workload identity and access management platform that manages how workloads, services, and AI agents authenticate and access downstream APIs and services — without static credentials.
Akeyless is an established identity security platform delivering secrets management, certificate lifecycle management, encryption/KMS, and secure remote access from a unified SaaS, using patented Distributed Fragments Cryptography (DFC) instead of a self-managed vault. In 2025–2026 it extended the platform to AI-agent identity with ephemeral, task-scoped access.
Astrix Security discovers and secures non-human identities, AI agents, and MCP servers, and provisions secure-by-design agents through its Agent Control Plane with short-lived credentials and just-in-time access. Following its acquisition by Cisco, its capabilities are being integrated into Cisco's identity and zero-trust portfolio.
Cerbos is an authorization management platform built around an open source policy decision point (PDP). It enforces fine-grained RBAC, ABAC, PBAC, and ReBAC policies for applications, APIs, workloads, and AI agents.
Clutch Security is a non-human identity (NHI) security platform that maps service accounts, keys, tokens, and AI agents to their origins via its Identity Lineage graph, then layers on lifecycle management, posture, and threat detection. It added an Agentic AI Governance module for discovering and setting guardrails around AI agents and their credential usage.
Corsha secures machine-to-machine and API communication with trusted machine identities and dynamic, MFA-style authentication (m-MFA) for machines, plus connection discovery and identity-based access control. It is purpose-built for operational technology, defense, and critical infrastructure, deployable as SaaS or self-hosted via hardware and virtual control points.
Defakto (formerly SPIRL, rebranded in 2026) is a non-human identity and access management platform built on the SPIFFE standard. It issues dynamic, cryptographically verifiable identities for services, workloads, CI/CD pipelines, and AI agents in place of static credentials and service accounts.
Entro Security is an agentic AI and non-human identity security platform that discovers, classifies, and governs NHIs and secrets across clouds, code, vaults, and collaboration tools, with behavioral threat detection via its NHIDR engine. SailPoint completed its acquisition of Entro in June 2026, making it the NHI and secrets layer of SailPoint's Agentic Fabric.
Widely used secrets management and machine identity platform, available as open source, enterprise and HCP Vault Dedicated.
Keycard is an identity and access platform purpose-built for AI agents, founded by former Snyk and Auth0 leaders (including the creator of Passport.js). It verifies agent identity, mints short-lived task-scoped tokens in place of static API keys, and enforces runtime policy with auditable logs.
Natoma provides a governed way to connect AI agents and clients (such as Claude Code, ChatGPT, and Snowflake Cortex) to enterprise tools through a catalog of 100+ verified MCP servers, with identity-aware access policies, agent IAM, and audit trails. It began as a non-human identity management platform and has centered its product on secure agentic connectivity.
Oasis Security is a non-human identity management platform covering inventory, ownership, posture, lifecycle, and secret rotation for machine identities, with AI-SPM and intent-aware access controls for AI agents. In July 2026, data-security company Cyera agreed to acquire Oasis for approximately $1 billion, with closing expected later in the year.
P0 Security provides an authorization control plane that discovers users, service accounts, agents, and MCP servers with sensitive access, then enforces just-in-time, short-lived access and centralized policy governance across cloud providers, Kubernetes, databases, and servers. It positions itself as a cloud-native alternative to traditional PAM.
Token Security is a machine-first identity security platform that discovers non-human identities and AI agents across cloud, SaaS, and on-prem environments, then manages their posture, lifecycle, and threats. In March 2026 it introduced Intent-Based AI Agent Security, which aligns agent permissions with their stated purpose.
Best AI agent identity tools in 2026
Leading AI agent identity tools today come from machine identity vendors extending to agent use cases: Aembit for workload-to-workload auth, Teleport for engineering access, StrongDM for human-and-machine access, and emerging vendors like Veza for permission visibility.
Best Machine Identity & Non-Human Identity Tools in 2026
Aembit focuses purely on workload-to-workload identity. Teleport and StrongDM secure machine-mediated infra access. 1Password and Keeper extend secrets governance to services. Cerbos and Permit.io add policy-as-code authorization for non-human callers.
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