THE JOURNAL / BENEATH THE SURFACE
The permissions you accept. The links you trust. The signals you miss. Look closer at everyday technology—and learn what to do next.
PRACTICAL SECURITY / START HERE
Small experiments. Readable code. A result you can explain.
Start with your own devices and follow the evidence.
FIELD NOTES / INVESTIGATIONS / EXPLAINERS
Hash two dummy files, change the copy and compare again. Learn what a SHA-256 digest can establish—and what it cannot.
22 Oct 2026Read Digital forensics: prove that your evidence copy changed.CURIOSITY IS A DEFENCE
Continue from the journal to a practical exercise on your own devices.
