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Tool Comparison
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At a Glance
| Attribute | Azure Key Vault | HashiCorp Vault |
|---|---|---|
| License / Pricing | Free-Limited | Free-Limited |
| Type | DevOps | DevOps |
| GitHub Stars | — | — |
| Rating | 4.4/5 | 4.7/5 |
| Key Features | 6 listed | 6 listed |
| Integrations | 4 listed | 7 listed |
| Categories | SecuritySecrets ManagementCloud Platform | SecuritySecrets Management |
Key Features
Azure Key Vault
- Hardware Security Module (HSM) backed key storage
- Managed identities for keyless authentication from Azure services
- Automatic TLS certificate renewal via DigiCert and GlobalSign integration
- Secret versioning with rollback support
- Access policies and Azure RBAC for fine-grained control
- CSI driver for mounting secrets directly into Kubernetes pods
HashiCorp Vault
- Dynamic secrets — generate short-lived credentials on demand for AWS, databases, and more
- All secrets have a TTL and are automatically revoked on expiry
- Multiple auth methods: Kubernetes, AWS IAM, LDAP, GitHub, and AppRole
- Transit secrets engine for encryption-as-a-service
- PKI secrets engine for automated internal TLS certificate management
- Detailed audit log for every secret access and policy change
Real-World Use Cases
Azure Key Vault
Injecting secrets into AKS workloads
Enable the Secrets Store CSI Driver add-on in the AKS cluster
Automated TLS certificate management
Import or generate a TLS certificate in Azure Key Vault
HashiCorp Vault
Dynamic database credentials for microservices
Configure Vault's database secrets engine with a PostgreSQL connection
Injecting secrets into Kubernetes pods
Install the Vault Agent Injector via Helm into the cluster
Integrations
Azure Key Vault
azure-aksazure-devopsterraformansible
HashiCorp Vault
kubernetesterraformansiblejenkinsgithub-actionsaws-secrets-managerdoppler
🏆 Which should you choose?
Choose Azure Key Vault if…
- → you're already in the Security ecosystem and prefer Azure Key Vault's workflow
Choose HashiCorp Vault if…
- → you're already in the Security ecosystem and prefer HashiCorp Vault's workflow