field notes on operational security — threat models, compartmentalization, metadata hygiene. written as they happen, revised when wrong.
metadata is the message
Encrypting content doesn't hide who, when, and how often. Notes on EXIF, document properties, timing patterns, and cheap metadata hygiene.
compartments leak at the seams
Separate identities, browsers, and devices are easy to set up and hard to keep honest. Where compartments actually fail, and when to skip them.
the tool-first instinct is backwards
Nobody needs a VPN recommendation before they can say who they're worried about. Notes on building a threat model you can actually act on.