Sneha Gupta

Modernize your PKI with cloud-native certificate authorities — AWS Private CA, Google Certificate Authority Service, and Azure-based PKI. Covers architecture patterns, cost analysis, hybrid deployment, and migration from on-premises CA.

Complete Java keytool command reference covering keystore creation, certificate import/export, trust store management, format conversion, and troubleshooting for production Java applications.

Step-by-step runbook for rotating JSON Web Key Sets (JWKS) across AWS KMS, GCP Cloud KMS, and Azure Key Vault. Covers zero-downtime rotation, grace periods, automation scripts, and validation.

Set up free, automated HTTPS with Let's Encrypt and Certbot on Nginx, Apache, and standalone servers. Covers HTTP-01, DNS-01 wildcards, auto-renewal, deploy hooks, troubleshooting, and rate limits.

Configure Microsoft NDES (Network Device Enrollment Service) for SCEP certificate enrollment. Covers IIS setup, certificate templates, registration authority, challenge passwords, and fixes for every common NDES error.

Configure Nginx for A+ SSL Labs rating with TLS 1.3, strong cipher suites, OCSP stapling, HSTS, and mTLS. Includes complete configs, troubleshooting, and security header setup for production environments.

Implement NIST SP 800-52 Rev 2 TLS requirements — approved protocol versions, cipher suites, certificate requirements, and server/client configuration. Includes compliance mapping and practical Nginx/Apache configs.

Implement NIST SP 800-57 key management recommendations — crypto periods, key states, algorithm selection, key derivation, and operational lifecycle management. Includes practical mapping to AWS KMS, Vault, and enterprise key managers.

Understand what a PKI automation platform does — certificate discovery, lifecycle automation, policy enforcement, and multi-CA orchestration. Includes evaluation criteria, architecture patterns, and build-vs-buy analysis.

A detailed, honest comparison of QCecuring SSL Certificate Lifecycle Management vs Keyfactor Command for enterprise certificate lifecycle management. Architecture, AD CS depth, EJBCA bundling, pricing, Kubernetes support, and who each platform is best for.