How to Check Whether a TLS Connection Is Already Post-Quantum
Your browser, openssl s_client and curl can all show whether a connection negotiated X25519MLKEM768. Here's where to read the group name, what hybrid key…
Public-Key and Symmetric Cryptography: Which Half a Quantum Computer Breaks
A quantum computer running Shor's algorithm would break RSA, Diffie-Hellman and elliptic-curve cryptography. AES and SHA-2 only lose some margin to Grover's algorithm. Here's…
How to Use the PQC Readiness Scorecard
The PQC Readiness Scorecard rates an organization's post-quantum readiness in seven domains and shows the evidence behind each answer. This guide explains the scoring…
Seven Exercises – PQC Migration Advisor
Seven exercises with the free PQC Migration Advisor, from sorting algorithms by quantum exposure to hybrid TLS under CNSA 2.0 and deadlines by legal…
How use PQC Migration Budget Builder
A step-by-step walkthrough of the PQC Migration Budget Builder: what to prepare, what each of the five steps asks for, a mid-size payments example,…
Building a Crypto Inventory That Covers the Whole Estate
Cryptography hides in places no network scanner reaches. A domain-by-domain guide to finding it, and to what every inventory record has to say once…
Third-Party Cryptographic Risk at Enterprise Scale
Regulators require an inventory of cryptography your suppliers are not obliged to disclose. Four governance artifacts that close the gap and keep third-party PQC…
The Three Shapes of Objection That Stall a PQC Program
Most post-quantum programs stall on organizational arguments, not technical ones. The recurring objections come in three shapes, and each one can be answered without…
Why the World Can’t Agree on Hybrid PQC Deployment
Germany expects hybrid key exchange. Australia expects pure ML-KEM. The US sets a date for dropping the classical half. What to build when the…
Who Should Own Post-Quantum Migration
Post-quantum migration programs stall on ownership, not technology. Four tests for naming the accountable executive, and the mandate, budget, and authority the role needs…