Secure Perimeter Institute
Jim DavidsonThe official substack for the Security Perimeter Institute, where we share information on how to regain privacy and security within your digital world. In a world of global surveillance securing your communications privacy is a bold move.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 13 | Subscribers | Read | thesecureperimeterinstitute.substac... |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
The Year 2025 in Review
“Privacy matters; privacy is what allows us to determine who we are and who we want to be.”
Plan network corrupt
Today we are cross-posting a recent essay on network corruption and ways in which you might choose to prepare. Today’s content is free to all readers.
The Hunting of the Snark
How zero knowledge proof affects your privacy.
New lower
For a limited time only Secure Perimeter Institute is having a sale. We have slashed our price by 80% to just $6 per month. Likewise the annual subscription is now just $24.
Authors
The writers behind this newsletter.
Jim runs Eldar Capital private equity and After Dark Publications.
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