Insights from the QCecuring

A deep dive into AD CS template misconfiguration that caused cascading auto-enrollment failure across 500 devices, including troubleshooting with certutil and a prevention checklist.

802.1X onboarding failures, machine certificate provisioning gaps, RADIUS/NPS certificate dependencies, Intune/SCCM enrollment issues, and proven fix patterns for enterprise wireless authentication.

Exchange and Outlook certificate dependencies, real outage scenarios, certificate services in Exchange (SMTP, IIS, POP), troubleshooting steps, and prevention strategies.

A complete methodology for running a certificate risk assessment, including scanning approaches, risk scoring frameworks, report templates, findings categorization, and remediation priorities.

On-prem and cloud discovery challenges in hybrid environments, what scans typically reveal, common findings, blind spots, and multi-cloud certificate sprawl patterns.

A side-by-side comparison of messy spreadsheet-based certificate tracking versus clean CLM dashboard management, including data models, metrics, and practical migration steps.

A technical walkthrough of subdomain enumeration combined with certificate scanning, using tools like subfinder, sslyze, and crt.sh to find expiring certificates before they cause outages.

ACME and Let's Encrypt are excellent for web server TLS. They are irrelevant for internal PKI, VPN certificates, device authentication, and enterprise infrastructure.

A live demonstration of scanning public certificates via Certificate Transparency logs, revealing expired certs, weak algorithms, shadow domains, and actionable remediation steps for enterprise security teams.

AWS ACM handles public cloud certificates automatically. It covers zero percent of your internal PKI, VPN certificates, device authentication, or on-premises infrastructure.