When you hear the word encryption, it often sounds like something only security researchers and intelligence agencies deal with. But in reality, every IT professional – even small teams, freelancers, or home users – should understand the basics of protecting sensitive files.

GnuPG (or GPG) is one of the most trusted tools for this. It’s free, open-source, built into every Linux distribution, and works perfectly for encrypting files, verifying downloads, or signing work-related documents.

This guide walks you through a clean, beginner-friendly setup – no advanced OPSEC, no air-gapped machines, no master-key rituals. Just the essentials that anyone at home or at work can start using today.

Continue reading “GPG Basics: Simple, Safe Encryption for Everyday IT Work” →