A practical personal opsec guide for the LLM era: voter registration, PO Boxes, address hygiene
jxnlco · x · 2026-09-09
Kevin Liu published a practical personal opsec guide responding to the observation that AI security content preaches doom without actionable advice. Key points:
- Threat model: casual adversaries asking Grok-5-class models for "names, phones, addresses of people in [group]"; not guaranteed against competent or targeted attackers.
- Physical security: remove yourself from California voter registration (addresses are publicly queryable; SF has a form); get a PO Box ($25/mo in SF) and migrate DMV, financial, medical, employer mail and e-commerce to it to stop future address leakage.
- Tailored to California/SF residents but broadly applicable.
The author argues post-2025 variance is much higher—LLMs can deanonymize people from writing and mass-find zero-days—so personal privacy hygiene matters now.
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