Leonard Volling
Cloud cybersecurity leader specializing in Microsoft security
St. Louis, Missouri
Summary
Deep Microsoft security specialist — Leonard has focused his career on Microsoft security products (Sentinel, Microsoft 365 Defender, Defender XDR) and architectures, writing technical guidance and leading Sentinel/XDR solutioning for customers. lockbasecyber+2
Practitioner and delivery-oriented leader — his bios and employer materials describe hands‑on architecture, program and delivery responsibilities: translating product capabilities into deployable SOC/XDR programs and overseeing successful transitions to Microsoft security stacks. lockbasecyber+1
Active public speaker and community contributor — Leonard regularly presents in partner webinars and local community events (webinars on Sentinel/incident response, Global AI Bootcamp session listings, IAMCP chapter events), indicating engagement with both vendor partners and the security practitioner community. youtube+2
Work
Education
Writing
Microsoft Sentinel's Transformation: Why This Changes Everything for Security Operations
October 31, 2025Analysis of Microsoft Sentinel's evolution (data lake, graph, agentic workflows) and implications for SIEM/XDR, SOC economics, and detection/response operations.
Quest Diagnostics Data Breach and the Weakest Link in YOUR Supply Chain
June 1, 2019Explains supply-chain risk and why organizations must extend cybersecurity programs to vendors and partners; outlines Valorem's cybersecurity assessment approach.