Step-by-step guides for IT professionals and enthusiasts
Find every live host, open port, and service on your network before an attacker does. A practical walkthrough of Nmap scan types, service detection, NSE scripts, and safe scan scheduling.
Capture, filter, and triage network traffic like an analyst. Learn Wireshark display filters, tshark for headless captures, and how to spot common attack...
Generate a complete inventory of every package, library, and dependency in your containers and codebases with Syft, then scan that inventory for known...
Stand up a lightweight, Bitwarden-compatible password vault on your own infrastructure — with Docker, TLS via reverse proxy, and an automated backup routine.
Stop shipping API keys, tokens, and passwords to GitHub. Learn how to scan git history, enforce pre-commit hooks, and integrate Gitleaks into your CI/CD...
Learn to write effective YARA rules to identify malware, hunt threats, and scan endpoints for indicators of compromise — from basic syntax to real-world...
Replace static SSH keys with a short-lived certificate authority. Harden sshd_config, eliminate lateral-movement risk, and enforce zero-trust access...
Deploy AIDE (Advanced Intrusion Detection Environment) to build a cryptographic baseline of your Linux filesystem and automatically alert on unauthorized...
SentinelAgent.exe is the core SentinelOne EDR agent process on Windows. How to verify it is genuine, what drives its resource usage, and how to manage it.