Security & DevOps: Scenario-Based Questions

Secrets — like API keys, DB credentials, and tokens — are critical assets. Mishandling them can lead to breaches, outages, or compliance issues. Secure handling in pipelines and infra is non-negotiable.

🔐 What Counts as a Secret?

• API tokens, service account keys
• Database passwords and TLS certs
• SSH keys, encryption keys, and license files

🧰 Tools & Storage Options

• Secret Managers: HashiCorp Vault, AWS Secrets Manager, GCP Secret Manager
• CI/CD Vaulting: GitHub Actions Secrets, GitLab CI Variables, Jenkins Credentials Plugin
• Kubernetes: SealedSecrets, External Secrets Controller

✅ Best Practices

• Never hard-code secrets in code or Docker images
• Rotate secrets periodically and automate revocation
• Use short-lived credentials where possible (e.g., AWS STS)
• Audit access to secrets and use RBAC to restrict scope
• Encrypt secrets at rest and in transit

📦 In CI/CD Pipelines

• Inject secrets as environment variables or temporary files
• Restrict who can modify or view pipeline secrets
• Use dynamic credentials (e.g., workload identity federation)

🚫 Common Pitfalls

• Storing secrets in plaintext config files or Git
• Over-permissive IAM roles accessing all secrets
• Logging secrets by mistake in CI/CD logs or crash reports

📌 Final Insight

Secure secret management is a foundation of DevSecOps. By vaulting, rotating, auditing, and automating access, you protect critical infrastructure from silent but catastrophic risks.