Practical guides, security research, infrastructure automation, and architecture decisions from real-world engineering work.
Showing 18 articles
A security architecture case study of NovaKey, a local secret-delivery system that uses iOS Keychain, ML-KEM-768, authenticated encryption, pairing, replay protection, and policy-gated desktop injection.
Read articleArchitecture case study: designing a low-cost operations assurance platform that connects service obligations, onboarding, governance, patch operations, evidence, and engineering work using Azure and Microsoft 365.
Read articleArchitecture case study: building a tool-agnostic patch governance platform that centralizes Windows patch intelligence, human approval, multi-platform execution, normalized evidence, and client reporting.
Read articleExpert commentary on overlooked cybersecurity threats and practical strategies for defending organizations.
Read articleStep-by-step guide to setting up a KVM/libvirt virtualization environment on Rocky Linux 9.6 with external network access via a bridge, external storage, and creating Linux/Windows VMs using virt-install.
Read articleLearn how to create custom Actions in Nagios XI to remotely manage Windows servers-restart services, clean up disks, or restart the NCPA agent-using secure WinRM over HTTPS, sudo privileges, and strict permissions.
Read articleA complete guide to creating and configuring Nagios XI event handlers to automatically respond to host and service state changes-restart services, clear caches, or notify external systems-while explaining the full event handler lifecycle and best practices.
Read articleLearn how to securely centralize AIDE file integrity reports using rsyslog over TLS, Ansible automation with Jinja2 templating, daily log rotation via logrotate, and consolidated daily emails with logwatch.
Read articleArchitecture case study: designing and productizing a secure Azure DMARC and TLS-RPT analytics platform with authenticated ingestion, resilient normalization, serverless analytics, managed identity, Grafana telemetry, and repeatable deployment.
Read articleAn experienced automation engineer explains how AI changed the value of manually writing code-and why specifications, architecture, review, testing, and accountability matter more than ever.
Read articleMonitor CPU, RAM, disk space, and network interfaces on Windows systems using a single PRTG sensor. This PowerShell script consolidates all critical resource metrics into one clean dashboard.
Read articlePatch Windows Servers at scale using Ansible with three strategic playbooks: download, install, and reboot. Use strategy: free and configurable job-level concurrency to parallelize patching across hundreds of servers. Schedule via Semaphore or AAP with 2-hour download and install windows, excluding Azure Connected Machine Agent to prevent outages.
Read articleBreak into IT. How to create value as an IT professional and stand out from peers.
Read articleStep-by-step guide to enabling MTA-STS (SMTP Strict Transport Security) using Cloudflare Workers. Secure your email from downgrade attacks and man-in-the-middle interception - completely free.
Read articleHow to create a security.txt file, why responsible disclosure matters, and where to get free templates and policy generators. Includes my exact security.txt and security policy for osbornepro.com.
Read articleA more effective approach to searching and working with Windows event logs using PowerShell.
Read articleA closer look at surprising PowerShell behavior and what it means for scripting.
Read articleGuidance for writing reusable PowerShell functions and cmdlets.
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