Sirius Blog Sirius Computer builds secure computing and network solutions for defence, intelligence, and critical national infrastructure. https://sirius.computer/blog/ 2026-08-04T00:00:00.000Z Sirius Computer, Inc. Securing a network that routes itself https://sirius.computer/blog/securing-a-network-that-routes-itself/ 2026-08-04T00:00:00.000Z 2026-08-04T00:00:00.000Z JASON VAN DER SCHYFF A TUNNEL IS A LINK. A MESH IS A SHAPE. PUTTING ONE ON TOP OF THE OTHER RARELY LEAVES YOU WITH BOTH. Assurance does not travel https://sirius.computer/blog/assurance-does-not-travel/ 2026-07-14T00:00:00.000Z 2026-07-14T00:00:00.000Z JASON VAN DER SCHYFF THREE ALLIED REGIMES, NO MUTUAL RECOGNITION, AND NOW NO COMMON DIRECTION EITHER. Post-quantum security is a distribution problem https://sirius.computer/blog/post-quantum-security-is-a-distribution-problem/ 2026-06-15T00:00:00.000Z 2026-06-15T00:00:00.000Z JASON VAN DER SCHYFF THE ALGORITHM QUESTION IS SETTLED. GETTING KEY MATERIAL TO ENDPOINTS AND REPLACING IT IS NOT. Attritable systems and the problem of trust https://sirius.computer/blog/attritable-systems-and-the-problem-of-trust/ 2026-05-25T00:00:00.000Z 2026-05-25T00:00:00.000Z JASON VAN DER SCHYFF ATTRITABLE SYSTEMS ARE OFTEN FRAMED AS A COST QUESTION. THE HARDER PROBLEM IS THE COST OF TRUST. The limits of identity in uncertain environments https://sirius.computer/blog/limits-of-identity-in-uncertain-environments/ 2026-05-12T00:00:00.000Z 2026-05-12T00:00:00.000Z JASON VAN DER SCHYFF IDENTITY WAS DESIGNED FOR STABLE SYSTEMS. INCREASINGLY, THE ENVIRONMENTS WHERE IT MATTERS MOST ARE NOT STABLE AT ALL. Secure communications for dynamic teams https://sirius.computer/blog/secure-communications-for-dynamic-teams/ 2026-04-13T00:00:00.000Z 2026-04-13T00:00:00.000Z JASON VAN DER SCHYFF MOST SECURE COMMUNICATIONS SYSTEMS WERE DESIGNED FOR STABILITY. THE OPERATIONAL REALITY IS INCREASINGLY THE OPPOSITE.