Field Notes

What Should Be in a Digital Go-Bag? The 30-Minute Checklist
A digital go-bag is one encrypted USB plus a paper sheet: IDs, recovery codes, key contacts, critical files. The 30-minute build, what goes in it, and where to keep copies. Read more...
Is Cold Storage Safe for Crypto? What It Is and When You Need It
Cold storage keeps crypto keys on a device that never touches the internet, making remote theft practically impossible. What it is, hot vs cold, the real risks, and how to do it right. Read more...
How Long Does Data Last on a Hard Drive, SSD, or USB Stick?
Powered-off hard drives are trusted ~3–5 years, unpowered SSDs ~1–2 years, USB flash ~5–10. Heat shortens all of them. Why storage decays and the rotation habit that beats it. Read more...
What Is Digital Sovereignty? A Plain-English Definition
Digital sovereignty means owning your data, communications, and money so they work without permission from platforms, providers, or the grid. Here's the plain-English definition and the five layers. Read more...
Mesh Networks, Explained: How to Text When the Towers Are Down
Mesh networks let phones and radios talk without towers, SIMs, or subscriptions. How LoRa mesh works, what it's good for, the legal side, and how to build one for your family. Read more...
Load-Shedding Is a Data Problem: The 3-Layer Survival Stack for South Africans
Load-shedding advice usually stops at power banks. The real threat is data corruption and network loss. A three-layer system — power, data, signal — for surviving the schedule. Read more...
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...