Posts
All posts from William Zujkowski - security insights, AI/ML projects, and career development
Building IR Playbooks with Ansible
Transform incident response from chaos to choreography using Ansible. Learn to build automated playbooks that handle security incidents consistently and efficiently
Vulnerability Management at Scale with Open Source Tools
Build an enterprise-grade vulnerability management program using only open source tools. From scanning to remediation tracking, here's how to do it right
Implementing DNS-over-HTTPS (DoH) for Home Networks
Complete guide to deploying DNS-over-HTTPS on your home network for enhanced privacy and security, with multiple implementation approaches
eBPF for Security Monitoring: A Practical Guide
Learn how to leverage eBPF for real-time security monitoring in Linux environments with practical examples and production-ready code
Local LLM Deployment: Privacy-First Approach
Learn how to deploy Large Language Models locally for maximum privacy and security. Complete guide covering hardware requirements, model selection, and implementation strategies.
Building a Security Mindset: Lessons from the Field
After 15+ years in cybersecurity, here are the key lessons about developing a security-first mindset that have shaped my approach to both professional challenges and personal projects.
Building a Security-Focused Homelab: My Journey
How I built a comprehensive security lab at home for learning, experimentation, and keeping my family's digital life safe
Securing Your Personal AI/ML Experiments: A Practical Guide
Lessons learned from running LLMs and AI experiments at home while keeping data and systems secure
From IT Support to Senior InfoSec Engineer: My 15+ Year Journey
The winding path from fixing printers to securing federal systems – lessons learned, mistakes made, and advice for aspiring security professionals
Raspberry Pi Security Projects That Actually Solve Problems
From network monitoring to physical security – practical Raspberry Pi projects that enhance your home security without breaking the bank
Continuous Learning in Cybersecurity: Strategies That Work
How I stay current in a field that changes daily – practical strategies for continuous learning without burning out
Automating Home Network Security with Python and Open Source Tools
Practical automation scripts and tools I've built to keep my home network secure without constant manual intervention
Building My Digital Garden with Eleventy
Why I chose Eleventy for my personal site and the journey of building a fast, accessible, and privacy-respecting digital home