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HashiCorp Boundary is an identity-based remote access management tool designed to securely connect users to infrastructure and applications without exposing private networks or static credentials.
🔑 Key Features
- Identity-Based Access Control (IBAC)
- Integrates with SSO/OIDC providers (Okta, Azure AD, etc.) to authenticate users.
- Access is granted based on identity and policy, not IP addresses or VPNs.
- Just-in-Time Access
- Provides ephemeral (short-lived) sessions to systems and services.
- Eliminates the need to distribute or store static credentials.
- Credential Injection
- Pulls dynamic secrets from HashiCorp Vault and injects them into sessions automatically.
- Users never see or handle the actual credentials.
- Secure Session Management
- Supports RDP, SSH, Kubernetes, and custom TCP connections.
- Provides session recording and full audit logs for compliance and forensics.
- Zero-Trust Architecture
- Access is granted only after verifying user identity, device, and policy conditions.
- Works without placing users on the private network, reducing attack surface.
đź“Ś Where Boundary Fits
- Privileged Access Management (PAM):
Boundary + Vault together form HashiCorp’s “modern PAM” solution for dynamic infrastructure. - Remote Workforce Access:
Replaces traditional VPNs or jump hosts, allowing secure access to cloud or on-prem environments. - Multi-Cloud & Hybrid:
Works across AWS, Azure, GCP, Kubernetes clusters, and on-prem servers.
âś… Example Workflow
- User logs into Boundary using SSO.
- Boundary authenticates and checks policy (least privilege).
- Boundary requests short-lived credentials from Vault.
- Credentials are injected into an SSH/RDP/K8s session.
- User connects to the target system without ever seeing the credentials.
- Session is fully logged and auditable.
đź”— TL;DR
Boundary is HashiCorp’s secure access broker that replaces VPNs, jump servers, and static credential sharing. It focuses on identity-based, just-in-time, zero-trust access to infrastructure and apps, especially in dynamic cloud and hybrid environments.