https://opsec.example/ stream-of-thought notes on operational security en Tue, 28 Jul 2026 00:00:00 GMT https://opsec.example/posts/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. Tue, 28 Jul 2026 00:00:00 GMT https://opsec.example/posts/metadata-is-the-message/ metadata privacy-hygiene tooling https://opsec.example/posts/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. Thu, 16 Jul 2026 00:00:00 GMT https://opsec.example/posts/compartments-leak-at-the-seams/ compartmentalization identity opsec-practice https://opsec.example/posts/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. Mon, 06 Jul 2026 00:00:00 GMT https://opsec.example/posts/the-tool-first-instinct-is-backwards/ threat-modeling fundamentals process