Field Notes

Observe. Adapt. Leverage. — The Survival Framework Behind the Crucible Trilogy
Observe. Adapt. Leverage. The three-beat survival framework behind the Crucible Trilogy — how resourceful people actually think under pressure, from the wilderness to the boardroom. Read more...
What Is an Air-Gapped Computer — and Why You Can Build One for Under $35
An air-gapped computer is physically disconnected from the internet — immune to remote hacks and ransomware. Here's how it works and how to build one with a Raspberry Pi for under $35. Read more...
The 3-2-1 Backup Rule, Explained — and the Upgrade That Beats Ransomware
The 3-2-1 backup rule explained simply: 3 copies, 2 media types, 1 off-site — plus the 3-2-1-1-0 upgrade that defeats ransomware. Protect your data before the drive dies. Read more...