Products

Data Converter Cleaner TUC - Unit Converter Import Export Survey Manager Tweet Controller

Developer

Article Blog Forum Interview Beginner News Startup Quiz

Users

Career

Apply Job Internship

Pricing

What is Azure Key Vault?

Anubhav Sharma 313 05 Feb 2026

Anubhav Sharma

Student

The Anubhav portal was launched in March 2015 at the behest of the Hon'ble Prime Minister for retiring government officials to leave a record of their experiences while in Govt service .

1 Answers

Anubhav Sharma 05 Feb 2026

Azure Key Vault is a secure cloud service from Microsoft Azure used to store, manage, and protect sensitive information like secrets, encryption keys, and certificates.

Think of it as a central, highly secure vault for anything you don’t want hard-coded in your app or exposed in config files.

What does Azure Key Vault store?

Secrets

Passwords
API keys
Connection strings
Tokens

Keys

Encryption keys (RSA, AES, etc.)
Used for encrypting/decrypting data
Supports hardware-backed protection (HSM)

Certificates

SSL/TLS certificates
Automatic certificate renewal
Integration with Azure services

Why use Azure Key Vault?

Security

Secrets are encrypted at rest and in transit
Supports HSM (Hardware Security Module)

No secrets in code

Avoid storing credentials in appsettings.json, source control, or CI pipelines

Access control

Uses Azure Active Directory (AAD)
Fine-grained permissions (who can read, write, or manage secrets)

Audit & monitoring

All access is logged
Helps with compliance and security audits

How applications use Key Vault

Apps authenticate using:

Managed Identity (recommended)
Service principals
Secrets are fetched at runtime
No passwords required inside the application

Example use case:

A .NET API retrieves its database connection string from Azure Key Vault using Managed Identity instead of storing it in config files.

Common use cases

Secure database connection strings
Storing API keys for third-party services
Managing encryption keys
SSL certificate management for apps and gateways

In one line (interview-ready)

Azure Key Vault is a secure service for storing and managing secrets, encryption keys, and certificates with controlled access and auditing, helping applications stay secure without hard-coding sensitive data.

interview