Mani Sri Kumar

4 hours troubleshooting network infrastructure. 5 minutes to fix. The root cause was a certificate that expired 3 days earlier.

Public CAs handle external websites. Internal CAs handle machine authentication. The gap between them is where certificate outages live.

Certificate-based VPN authentication eliminates password vulnerabilities but introduces certificate expiry failures. The full IKEv2/SSTP/Always On VPN flow.

Enterprise WiFi authentication via EAP-TLS depends on machine certificates. When they expire, employees walk in Monday morning and cannot connect.

AD CS issues certificates. CLM tracks them. They solve different problems. Here's why running AD CS without CLM is like running servers without monitoring.

Google and Apple are pushing 47-day certificate lifespans. Manual processes will catastrophically fail. Here's what you need to automate now.

Why certificate tracking spreadsheets always fail. No alerts, no auto-discovery, stale data, single point of failure. Learn why spreadsheets can't manage certificates at scale.

Five certificate blindspots that exist in every AD CS environment: load balancer certs, offline machines, thumbprint hardcoding, cross-platform certs, and ownership gaps.

Reactive certificate management costs 10x more than proactive. Compare MTTD, MTTR, and total cost between firefighting and planned maintenance approaches.

Certificate outages cost $22K per incident when you factor in engineer hours, lost productivity, helpdesk surge, and compliance findings. See the full cost breakdown.